Finding the Fourth Proportional to 12,715.50, 17,548.38 and 7,411.26

Step by Step Solution

1. Step 1: Write the proportion equation
   12,715.50 : 17,548.38 = 7,411.26 : x
2. Step 2: Convert to fraction form
   12,715.50/17,548.38 = 7,411.26/x
3. Step 3: Cross multiply
   12,715.50x = 17,548.38 × 7,411.26
4. Step 4: Simplify right side
   12,715.50x = 130,055,606.76
5. Step 5: Solve for x
   x = 130,055,606.76/12,715.50
6. Step 6: Final answer
   x = 10,228.12