Finding the Fourth Proportional to 12,792.99, 17,649.64 and 7,753.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,792.99 : 17,649.64 = 7,753.57 : x
2. Step 2: Convert to fraction form
   12,792.99/17,649.64 = 7,753.57/x
3. Step 3: Cross multiply
   12,792.99x = 17,649.64 × 7,753.57
4. Step 4: Simplify right side
   12,792.99x = 136,847,680.45
5. Step 5: Solve for x
   x = 136,847,680.45/12,792.99
6. Step 6: Final answer
   x = 10,697.09