Finding the Fourth Proportional to 12,540.82, 17,308.09 and 7,762.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,540.82 : 17,308.09 = 7,762.29 : x
2. Step 2: Convert to fraction form
   12,540.82/17,308.09 = 7,762.29/x
3. Step 3: Cross multiply
   12,540.82x = 17,308.09 × 7,762.29
4. Step 4: Simplify right side
   12,540.82x = 134,350,488.53
5. Step 5: Solve for x
   x = 134,350,488.53/12,540.82
6. Step 6: Final answer
   x = 10,713.06