Finding the Fourth Proportional to 11,396.43, 15,714.68 and 7,410.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,396.43 : 15,714.68 = 7,410.15 : x
2. Step 2: Convert to fraction form
   11,396.43/15,714.68 = 7,410.15/x
3. Step 3: Cross multiply
   11,396.43x = 15,714.68 × 7,410.15
4. Step 4: Simplify right side
   11,396.43x = 116,448,098.95
5. Step 5: Solve for x
   x = 116,448,098.95/11,396.43
6. Step 6: Final answer
   x = 10,217.95