Finding the Fourth Proportional to 10,411.85, 15,616.76 and 5,730.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,411.85 : 15,616.76 = 5,730.32 : x
2. Step 2: Convert to fraction form
   10,411.85/15,616.76 = 5,730.32/x
3. Step 3: Cross multiply
   10,411.85x = 15,616.76 × 5,730.32
4. Step 4: Simplify right side
   10,411.85x = 89,488,925.43
5. Step 5: Solve for x
   x = 89,488,925.43/10,411.85
6. Step 6: Final answer
   x = 8,594.92