Finding the Fourth Proportional to 12,461.76, 17,191.80 and 9,096.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,461.76 : 17,191.80 = 9,096.48 : x
2. Step 2: Convert to fraction form
   12,461.76/17,191.80 = 9,096.48/x
3. Step 3: Cross multiply
   12,461.76x = 17,191.80 × 9,096.48
4. Step 4: Simplify right side
   12,461.76x = 156,384,864.86
5. Step 5: Solve for x
   x = 156,384,864.86/12,461.76
6. Step 6: Final answer
   x = 12,549.18