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Finding the Fourth Proportional to 3,978,337.80, 5,953,509.90 and 3,642,414.60

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Solution

The fourth proportional to 3,978,337.80, 5,953,509.90 and 3,642,414.60 is: 5,450,806.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,978,337.80 : 5,953,509.90 = 3,642,414.60 : x
  2. Step 2: Convert to fraction form
    3,978,337.80/5,953,509.90 = 3,642,414.60/x
  3. Step 3: Cross multiply
    3,978,337.80x = 5,953,509.90 × 3,642,414.60
  4. Step 4: Simplify right side
    3,978,337.80x = 21,685,151,381,004.54
  5. Step 5: Solve for x
    x = 21,685,151,381,004.54/3,978,337.80
  6. Step 6: Final answer
    x = 5,450,806.96

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