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Finding the Fourth Proportional to 157,424.61, 217,251.82 and 89,453.11

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Solution

The fourth proportional to 157,424.61, 217,251.82 and 89,453.11 is: 123,448.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,424.61 : 217,251.82 = 89,453.11 : x
  2. Step 2: Convert to fraction form
    157,424.61/217,251.82 = 89,453.11/x
  3. Step 3: Cross multiply
    157,424.61x = 217,251.82 × 89,453.11
  4. Step 4: Simplify right side
    157,424.61x = 19,433,850,928.19
  5. Step 5: Solve for x
    x = 19,433,850,928.19/157,424.61
  6. Step 6: Final answer
    x = 123,448.62

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