Finding the Fourth Proportional to 8,792.64, 12,142.43 and 7,526.47

Step by Step Solution

1. Step 1: Write the proportion equation
   8,792.64 : 12,142.43 = 7,526.47 : x
2. Step 2: Convert to fraction form
   8,792.64/12,142.43 = 7,526.47/x
3. Step 3: Cross multiply
   8,792.64x = 12,142.43 × 7,526.47
4. Step 4: Simplify right side
   8,792.64x = 91,389,635.12
5. Step 5: Solve for x
   x = 91,389,635.12/8,792.64
6. Step 6: Final answer
   x = 10,393.88