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Finding the Fourth Proportional to 117,136.89, 175,703.82 and 28,391.19

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Solution

The fourth proportional to 117,136.89, 175,703.82 and 28,391.19 is: 42,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,136.89 : 175,703.82 = 28,391.19 : x
  2. Step 2: Convert to fraction form
    117,136.89/175,703.82 = 28,391.19/x
  3. Step 3: Cross multiply
    117,136.89x = 175,703.82 × 28,391.19
  4. Step 4: Simplify right side
    117,136.89x = 4,988,440,537.35
  5. Step 5: Solve for x
    x = 4,988,440,537.35/117,136.89
  6. Step 6: Final answer
    x = 42,586.42

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