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Finding the Fourth Proportional to 53,021.80, 79,532.70 and 52,244.20

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Solution

The fourth proportional to 53,021.80, 79,532.70 and 52,244.20 is: 78,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,021.80 : 79,532.70 = 52,244.20 : x
  2. Step 2: Convert to fraction form
    53,021.80/79,532.70 = 52,244.20/x
  3. Step 3: Cross multiply
    53,021.80x = 79,532.70 × 52,244.20
  4. Step 4: Simplify right side
    53,021.80x = 4,155,122,285.34
  5. Step 5: Solve for x
    x = 4,155,122,285.34/53,021.80
  6. Step 6: Final answer
    x = 78,366.30

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