Finding the Fourth Proportional to 12,717.63, 17,552.38 and 7,411.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,717.63 : 17,552.38 = 7,411.42 : x
2. Step 2: Convert to fraction form
   12,717.63/17,552.38 = 7,411.42/x
3. Step 3: Cross multiply
   12,717.63x = 17,552.38 × 7,411.42
4. Step 4: Simplify right side
   12,717.63x = 130,088,158.12
5. Step 5: Solve for x
   x = 130,088,158.12/12,717.63
6. Step 6: Final answer
   x = 10,228.96