Finding the Fourth Proportional to 12,557.21, 17,330.32 and 8,024.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,557.21 : 17,330.32 = 8,024.04 : x
2. Step 2: Convert to fraction form
   12,557.21/17,330.32 = 8,024.04/x
3. Step 3: Cross multiply
   12,557.21x = 17,330.32 × 8,024.04
4. Step 4: Simplify right side
   12,557.21x = 139,059,180.89
5. Step 5: Solve for x
   x = 139,059,180.89/12,557.21
6. Step 6: Final answer
   x = 11,074.05