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Finding the Fourth Proportional to 79,470.11, 119,131.05 and 26,842.79

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Solution

The fourth proportional to 79,470.11, 119,131.05 and 26,842.79 is: 40,239.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,470.11 : 119,131.05 = 26,842.79 : x
  2. Step 2: Convert to fraction form
    79,470.11/119,131.05 = 26,842.79/x
  3. Step 3: Cross multiply
    79,470.11x = 119,131.05 × 26,842.79
  4. Step 4: Simplify right side
    79,470.11x = 3,197,810,156.12
  5. Step 5: Solve for x
    x = 3,197,810,156.12/79,470.11
  6. Step 6: Final answer
    x = 40,239.15

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