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Finding the Fourth Proportional to 115,742.40, 173,623.20 and 36,854.40

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Solution

The fourth proportional to 115,742.40, 173,623.20 and 36,854.40 is: 55,284.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,742.40 : 173,623.20 = 36,854.40 : x
  2. Step 2: Convert to fraction form
    115,742.40/173,623.20 = 36,854.40/x
  3. Step 3: Cross multiply
    115,742.40x = 173,623.20 × 36,854.40
  4. Step 4: Simplify right side
    115,742.40x = 6,398,778,862.08
  5. Step 5: Solve for x
    x = 6,398,778,862.08/115,742.40
  6. Step 6: Final answer
    x = 55,284.66

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