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Finding the Fourth Proportional to 404,313.64, 606,543.08 and 138,011.88

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Solution

The fourth proportional to 404,313.64, 606,543.08 and 138,011.88 is: 207,042.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,313.64 : 606,543.08 = 138,011.88 : x
  2. Step 2: Convert to fraction form
    404,313.64/606,543.08 = 138,011.88/x
  3. Step 3: Cross multiply
    404,313.64x = 606,543.08 × 138,011.88
  4. Step 4: Simplify right side
    404,313.64x = 83,710,150,771.79
  5. Step 5: Solve for x
    x = 83,710,150,771.79/404,313.64
  6. Step 6: Final answer
    x = 207,042.61

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