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Finding the Fourth Proportional to 88,680.40, 133,085.40 and 62,436.40

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Solution

The fourth proportional to 88,680.40, 133,085.40 and 62,436.40 is: 93,700.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,680.40 : 133,085.40 = 62,436.40 : x
  2. Step 2: Convert to fraction form
    88,680.40/133,085.40 = 62,436.40/x
  3. Step 3: Cross multiply
    88,680.40x = 133,085.40 × 62,436.40
  4. Step 4: Simplify right side
    88,680.40x = 8,309,373,268.56
  5. Step 5: Solve for x
    x = 8,309,373,268.56/88,680.40
  6. Step 6: Final answer
    x = 93,700.22

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