Finding the Fourth Proportional to 12,894.30, 17,792.90 and 7,517.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,894.30 : 17,792.90 = 7,517.32 : x
2. Step 2: Convert to fraction form
   12,894.30/17,792.90 = 7,517.32/x
3. Step 3: Cross multiply
   12,894.30x = 17,792.90 × 7,517.32
4. Step 4: Simplify right side
   12,894.30x = 133,754,869.15
5. Step 5: Solve for x
   x = 133,754,869.15/12,894.30
6. Step 6: Final answer
   x = 10,373.18