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Finding the Fourth Proportional to 293,139.60, 439,666.20 and 82,798.80

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Solution

The fourth proportional to 293,139.60, 439,666.20 and 82,798.80 is: 124,186.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,139.60 : 439,666.20 = 82,798.80 : x
  2. Step 2: Convert to fraction form
    293,139.60/439,666.20 = 82,798.80/x
  3. Step 3: Cross multiply
    293,139.60x = 439,666.20 × 82,798.80
  4. Step 4: Simplify right side
    293,139.60x = 36,403,833,760.56
  5. Step 5: Solve for x
    x = 36,403,833,760.56/293,139.60
  6. Step 6: Final answer
    x = 124,186.00

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