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Finding the Fourth Proportional to 48,622.80, 72,934.20 and 11,686.80

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Solution

The fourth proportional to 48,622.80, 72,934.20 and 11,686.80 is: 17,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,622.80 : 72,934.20 = 11,686.80 : x
  2. Step 2: Convert to fraction form
    48,622.80/72,934.20 = 11,686.80/x
  3. Step 3: Cross multiply
    48,622.80x = 72,934.20 × 11,686.80
  4. Step 4: Simplify right side
    48,622.80x = 852,367,408.56
  5. Step 5: Solve for x
    x = 852,367,408.56/48,622.80
  6. Step 6: Final answer
    x = 17,530.20

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