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Finding the Fourth Proportional to 12,506.72, 18,763.56 and 3,741.92

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Solution

The fourth proportional to 12,506.72, 18,763.56 and 3,741.92 is: 5,613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.72 : 18,763.56 = 3,741.92 : x
  2. Step 2: Convert to fraction form
    12,506.72/18,763.56 = 3,741.92/x
  3. Step 3: Cross multiply
    12,506.72x = 18,763.56 × 3,741.92
  4. Step 4: Simplify right side
    12,506.72x = 70,211,740.44
  5. Step 5: Solve for x
    x = 70,211,740.44/12,506.72
  6. Step 6: Final answer
    x = 5,613.92

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