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Finding the Fourth Proportional to 115,726.80, 173,590.20 and 56,600.40

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Solution

The fourth proportional to 115,726.80, 173,590.20 and 56,600.40 is: 84,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,726.80 : 173,590.20 = 56,600.40 : x
  2. Step 2: Convert to fraction form
    115,726.80/173,590.20 = 56,600.40/x
  3. Step 3: Cross multiply
    115,726.80x = 173,590.20 × 56,600.40
  4. Step 4: Simplify right side
    115,726.80x = 9,825,274,756.08
  5. Step 5: Solve for x
    x = 9,825,274,756.08/115,726.80
  6. Step 6: Final answer
    x = 84,900.60

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