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Finding the Fourth Proportional to 86,335.72, 129,503.22 and 27,176.44

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Solution

The fourth proportional to 86,335.72, 129,503.22 and 27,176.44 is: 40,764.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,335.72 : 129,503.22 = 27,176.44 : x
  2. Step 2: Convert to fraction form
    86,335.72/129,503.22 = 27,176.44/x
  3. Step 3: Cross multiply
    86,335.72x = 129,503.22 × 27,176.44
  4. Step 4: Simplify right side
    86,335.72x = 3,519,436,488.14
  5. Step 5: Solve for x
    x = 3,519,436,488.14/86,335.72
  6. Step 6: Final answer
    x = 40,764.55

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