Finding the Fourth Proportional to 11,131.46, 15,362.15 and 6,416.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,131.46 : 15,362.15 = 6,416.04 : x
2. Step 2: Convert to fraction form
   11,131.46/15,362.15 = 6,416.04/x
3. Step 3: Cross multiply
   11,131.46x = 15,362.15 × 6,416.04
4. Step 4: Simplify right side
   11,131.46x = 98,564,168.89
5. Step 5: Solve for x
   x = 98,564,168.89/11,131.46
6. Step 6: Final answer
   x = 8,854.56