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Finding the Fourth Proportional to 356,834.08, 535,251.36 and 90,614.56

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Solution

The fourth proportional to 356,834.08, 535,251.36 and 90,614.56 is: 135,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,834.08 : 535,251.36 = 90,614.56 : x
  2. Step 2: Convert to fraction form
    356,834.08/535,251.36 = 90,614.56/x
  3. Step 3: Cross multiply
    356,834.08x = 535,251.36 × 90,614.56
  4. Step 4: Simplify right side
    356,834.08x = 48,501,566,475.80
  5. Step 5: Solve for x
    x = 48,501,566,475.80/356,834.08
  6. Step 6: Final answer
    x = 135,921.90

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