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Finding the Fourth Proportional to 99,627.56, 137,485.21 and 54,304.72

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Solution

The fourth proportional to 99,627.56, 137,485.21 and 54,304.72 is: 74,940.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,627.56 : 137,485.21 = 54,304.72 : x
  2. Step 2: Convert to fraction form
    99,627.56/137,485.21 = 54,304.72/x
  3. Step 3: Cross multiply
    99,627.56x = 137,485.21 × 54,304.72
  4. Step 4: Simplify right side
    99,627.56x = 7,466,095,353.72
  5. Step 5: Solve for x
    x = 7,466,095,353.72/99,627.56
  6. Step 6: Final answer
    x = 74,940.06

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