Finding the Fourth Proportional to 12,896.82, 17,799.89 and 7,520.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,896.82 : 17,799.89 = 7,520.04 : x
2. Step 2: Convert to fraction form
   12,896.82/17,799.89 = 7,520.04/x
3. Step 3: Cross multiply
   12,896.82x = 17,799.89 × 7,520.04
4. Step 4: Simplify right side
   12,896.82x = 133,855,847.20
5. Step 5: Solve for x
   x = 133,855,847.20/12,896.82
6. Step 6: Final answer
   x = 10,378.98