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Finding the Fourth Proportional to 387,434.08, 581,135.02 and 134,771.79

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Solution

The fourth proportional to 387,434.08, 581,135.02 and 134,771.79 is: 202,152.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,434.08 : 581,135.02 = 134,771.79 : x
  2. Step 2: Convert to fraction form
    387,434.08/581,135.02 = 134,771.79/x
  3. Step 3: Cross multiply
    387,434.08x = 581,135.02 × 134,771.79
  4. Step 4: Simplify right side
    387,434.08x = 78,320,606,540.16
  5. Step 5: Solve for x
    x = 78,320,606,540.16/387,434.08
  6. Step 6: Final answer
    x = 202,152.08

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