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Finding the Fourth Proportional to 73,109.60, 109,664.40 and 26,367.20

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Solution

The fourth proportional to 73,109.60, 109,664.40 and 26,367.20 is: 39,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,109.60 : 109,664.40 = 26,367.20 : x
  2. Step 2: Convert to fraction form
    73,109.60/109,664.40 = 26,367.20/x
  3. Step 3: Cross multiply
    73,109.60x = 109,664.40 × 26,367.20
  4. Step 4: Simplify right side
    73,109.60x = 2,891,543,167.68
  5. Step 5: Solve for x
    x = 2,891,543,167.68/73,109.60
  6. Step 6: Final answer
    x = 39,550.80

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