Finding the Fourth Proportional to 10,932.18, 15,091.55 and 8,545.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,932.18 : 15,091.55 = 8,545.62 : x
2. Step 2: Convert to fraction form
   10,932.18/15,091.55 = 8,545.62/x
3. Step 3: Cross multiply
   10,932.18x = 15,091.55 × 8,545.62
4. Step 4: Simplify right side
   10,932.18x = 128,966,608.78
5. Step 5: Solve for x
   x = 128,966,608.78/10,932.18
6. Step 6: Final answer
   x = 11,796.97