Finding the Fourth Proportional to 12,560.88, 17,330.46 and 8,087.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,560.88 : 17,330.46 = 8,087.22 : x
2. Step 2: Convert to fraction form
   12,560.88/17,330.46 = 8,087.22/x
3. Step 3: Cross multiply
   12,560.88x = 17,330.46 × 8,087.22
4. Step 4: Simplify right side
   12,560.88x = 140,155,242.72
5. Step 5: Solve for x
   x = 140,155,242.72/12,560.88
6. Step 6: Final answer
   x = 11,158.08