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Finding the Fourth Proportional to 54,159.44, 81,252.45 and 18,621.27

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Solution

The fourth proportional to 54,159.44, 81,252.45 and 18,621.27 is: 27,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,159.44 : 81,252.45 = 18,621.27 : x
  2. Step 2: Convert to fraction form
    54,159.44/81,252.45 = 18,621.27/x
  3. Step 3: Cross multiply
    54,159.44x = 81,252.45 × 18,621.27
  4. Step 4: Simplify right side
    54,159.44x = 1,513,023,809.61
  5. Step 5: Solve for x
    x = 1,513,023,809.61/54,159.44
  6. Step 6: Final answer
    x = 27,936.48

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