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Finding the Fourth Proportional to 79,647.54, 109,912.76 and 43,836.78

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Solution

The fourth proportional to 79,647.54, 109,912.76 and 43,836.78 is: 60,494.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,647.54 : 109,912.76 = 43,836.78 : x
  2. Step 2: Convert to fraction form
    79,647.54/109,912.76 = 43,836.78/x
  3. Step 3: Cross multiply
    79,647.54x = 109,912.76 × 43,836.78
  4. Step 4: Simplify right side
    79,647.54x = 4,818,221,479.31
  5. Step 5: Solve for x
    x = 4,818,221,479.31/79,647.54
  6. Step 6: Final answer
    x = 60,494.29

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