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Finding the Fourth Proportional to 52,855.20, 72,940.14 and 28,982.26

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Solution

The fourth proportional to 52,855.20, 72,940.14 and 28,982.26 is: 39,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,855.20 : 72,940.14 = 28,982.26 : x
  2. Step 2: Convert to fraction form
    52,855.20/72,940.14 = 28,982.26/x
  3. Step 3: Cross multiply
    52,855.20x = 72,940.14 × 28,982.26
  4. Step 4: Simplify right side
    52,855.20x = 2,113,970,101.92
  5. Step 5: Solve for x
    x = 2,113,970,101.92/52,855.20
  6. Step 6: Final answer
    x = 39,995.50

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