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Finding the Fourth Proportional to 52,782.52, 79,173.78 and 21,618.04

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Solution

The fourth proportional to 52,782.52, 79,173.78 and 21,618.04 is: 32,427.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,782.52 : 79,173.78 = 21,618.04 : x
  2. Step 2: Convert to fraction form
    52,782.52/79,173.78 = 21,618.04/x
  3. Step 3: Cross multiply
    52,782.52x = 79,173.78 × 21,618.04
  4. Step 4: Simplify right side
    52,782.52x = 1,711,581,942.99
  5. Step 5: Solve for x
    x = 1,711,581,942.99/52,782.52
  6. Step 6: Final answer
    x = 32,427.06

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