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Finding the Fourth Proportional to 157,722.04, 217,643.34 and 89,720.92

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Solution

The fourth proportional to 157,722.04, 217,643.34 and 89,720.92 is: 123,807.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,722.04 : 217,643.34 = 89,720.92 : x
  2. Step 2: Convert to fraction form
    157,722.04/217,643.34 = 89,720.92/x
  3. Step 3: Cross multiply
    157,722.04x = 217,643.34 × 89,720.92
  4. Step 4: Simplify right side
    157,722.04x = 19,527,160,696.67
  5. Step 5: Solve for x
    x = 19,527,160,696.67/157,722.04
  6. Step 6: Final answer
    x = 123,807.43

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