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Finding the Fourth Proportional to 115,792.75, 173,689.13 and 28,240.75

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Solution

The fourth proportional to 115,792.75, 173,689.13 and 28,240.75 is: 42,361.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,792.75 : 173,689.13 = 28,240.75 : x
  2. Step 2: Convert to fraction form
    115,792.75/173,689.13 = 28,240.75/x
  3. Step 3: Cross multiply
    115,792.75x = 173,689.13 × 28,240.75
  4. Step 4: Simplify right side
    115,792.75x = 4,905,111,298.05
  5. Step 5: Solve for x
    x = 4,905,111,298.05/115,792.75
  6. Step 6: Final answer
    x = 42,361.13

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