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Finding the Fourth Proportional to 86,472.05, 129,664.34 and 26,482.64

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Solution

The fourth proportional to 86,472.05, 129,664.34 and 26,482.64 is: 39,710.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,472.05 : 129,664.34 = 26,482.64 : x
  2. Step 2: Convert to fraction form
    86,472.05/129,664.34 = 26,482.64/x
  3. Step 3: Cross multiply
    86,472.05x = 129,664.34 × 26,482.64
  4. Step 4: Simplify right side
    86,472.05x = 3,433,853,904.64
  5. Step 5: Solve for x
    x = 3,433,853,904.64/86,472.05
  6. Step 6: Final answer
    x = 39,710.56

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