Finding the Fourth Proportional to 12,540.93, 17,301.90 and 7,505.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,540.93 : 17,301.90 = 7,505.29 : x
2. Step 2: Convert to fraction form
   12,540.93/17,301.90 = 7,505.29/x
3. Step 3: Cross multiply
   12,540.93x = 17,301.90 × 7,505.29
4. Step 4: Simplify right side
   12,540.93x = 129,855,777.05
5. Step 5: Solve for x
   x = 129,855,777.05/12,540.93
6. Step 6: Final answer
   x = 10,354.56