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Finding the Fourth Proportional to 15,766.92, 23,613.48 and 12,457.80

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Solution

The fourth proportional to 15,766.92, 23,613.48 and 12,457.80 is: 18,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,766.92 : 23,613.48 = 12,457.80 : x
  2. Step 2: Convert to fraction form
    15,766.92/23,613.48 = 12,457.80/x
  3. Step 3: Cross multiply
    15,766.92x = 23,613.48 × 12,457.80
  4. Step 4: Simplify right side
    15,766.92x = 294,172,011.14
  5. Step 5: Solve for x
    x = 294,172,011.14/15,766.92
  6. Step 6: Final answer
    x = 18,657.54

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