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Finding the Fourth Proportional to 115,745.80, 173,628.30 and 36,857.80

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Solution

The fourth proportional to 115,745.80, 173,628.30 and 36,857.80 is: 55,289.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,745.80 : 173,628.30 = 36,857.80 : x
  2. Step 2: Convert to fraction form
    115,745.80/173,628.30 = 36,857.80/x
  3. Step 3: Cross multiply
    115,745.80x = 173,628.30 × 36,857.80
  4. Step 4: Simplify right side
    115,745.80x = 6,399,557,155.74
  5. Step 5: Solve for x
    x = 6,399,557,155.74/115,745.80
  6. Step 6: Final answer
    x = 55,289.76

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