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Finding the Fourth Proportional to 54,296.36, 81,423.48 and 18,751.22

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Solution

The fourth proportional to 54,296.36, 81,423.48 and 18,751.22 is: 28,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,296.36 : 81,423.48 = 18,751.22 : x
  2. Step 2: Convert to fraction form
    54,296.36/81,423.48 = 18,751.22/x
  3. Step 3: Cross multiply
    54,296.36x = 81,423.48 × 18,751.22
  4. Step 4: Simplify right side
    54,296.36x = 1,526,789,586.65
  5. Step 5: Solve for x
    x = 1,526,789,586.65/54,296.36
  6. Step 6: Final answer
    x = 28,119.56

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