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Finding the Fourth Proportional to 57,051.86, 78,722.02 and 33,179.54

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Solution

The fourth proportional to 57,051.86, 78,722.02 and 33,179.54 is: 45,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,051.86 : 78,722.02 = 33,179.54 : x
  2. Step 2: Convert to fraction form
    57,051.86/78,722.02 = 33,179.54/x
  3. Step 3: Cross multiply
    57,051.86x = 78,722.02 × 33,179.54
  4. Step 4: Simplify right side
    57,051.86x = 2,611,960,411.47
  5. Step 5: Solve for x
    x = 2,611,960,411.47/57,051.86
  6. Step 6: Final answer
    x = 45,782.21

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