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Finding the Fourth Proportional to 71,912.28, 107,917.02 and 25,165.56

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Solution

The fourth proportional to 71,912.28, 107,917.02 and 25,165.56 is: 37,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,912.28 : 107,917.02 = 25,165.56 : x
  2. Step 2: Convert to fraction form
    71,912.28/107,917.02 = 25,165.56/x
  3. Step 3: Cross multiply
    71,912.28x = 107,917.02 × 25,165.56
  4. Step 4: Simplify right side
    71,912.28x = 2,715,792,241.83
  5. Step 5: Solve for x
    x = 2,715,792,241.83/71,912.28
  6. Step 6: Final answer
    x = 37,765.35

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