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Finding the Fourth Proportional to 86,793.59, 130,189.01 and 27,628.43

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Solution

The fourth proportional to 86,793.59, 130,189.01 and 27,628.43 is: 41,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,793.59 : 130,189.01 = 27,628.43 : x
  2. Step 2: Convert to fraction form
    86,793.59/130,189.01 = 27,628.43/x
  3. Step 3: Cross multiply
    86,793.59x = 130,189.01 × 27,628.43
  4. Step 4: Simplify right side
    86,793.59x = 3,596,917,160.47
  5. Step 5: Solve for x
    x = 3,596,917,160.47/86,793.59
  6. Step 6: Final answer
    x = 41,442.20

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