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Finding the Fourth Proportional to 157,517.32, 217,415.34 and 89,574.12

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Solution

The fourth proportional to 157,517.32, 217,415.34 and 89,574.12 is: 123,635.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,517.32 : 217,415.34 = 89,574.12 : x
  2. Step 2: Convert to fraction form
    157,517.32/217,415.34 = 89,574.12/x
  3. Step 3: Cross multiply
    157,517.32x = 217,415.34 × 89,574.12
  4. Step 4: Simplify right side
    157,517.32x = 19,474,787,755.00
  5. Step 5: Solve for x
    x = 19,474,787,755.00/157,517.32
  6. Step 6: Final answer
    x = 123,635.85

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