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Finding the Fourth Proportional to 15,873.71, 23,789.68 and 8,857.03

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Solution

The fourth proportional to 15,873.71, 23,789.68 and 8,857.03 is: 13,273.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,873.71 : 23,789.68 = 8,857.03 : x
  2. Step 2: Convert to fraction form
    15,873.71/23,789.68 = 8,857.03/x
  3. Step 3: Cross multiply
    15,873.71x = 23,789.68 × 8,857.03
  4. Step 4: Simplify right side
    15,873.71x = 210,705,816.76
  5. Step 5: Solve for x
    x = 210,705,816.76/15,873.71
  6. Step 6: Final answer
    x = 13,273.88

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