Finding the Fourth Proportional to 12,654.72, 17,460.10 and 8,176.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,654.72 : 17,460.10 = 8,176.86 : x
2. Step 2: Convert to fraction form
   12,654.72/17,460.10 = 8,176.86/x
3. Step 3: Cross multiply
   12,654.72x = 17,460.10 × 8,176.86
4. Step 4: Simplify right side
   12,654.72x = 142,768,793.29
5. Step 5: Solve for x
   x = 142,768,793.29/12,654.72
6. Step 6: Final answer
   x = 11,281.86