Finding the Fourth Proportional to 8,411.61, 11,612.69 and 5,055.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,411.61 : 11,612.69 = 5,055.24 : x
2. Step 2: Convert to fraction form
   8,411.61/11,612.69 = 5,055.24/x
3. Step 3: Cross multiply
   8,411.61x = 11,612.69 × 5,055.24
4. Step 4: Simplify right side
   8,411.61x = 58,704,909.72
5. Step 5: Solve for x
   x = 58,704,909.72/8,411.61
6. Step 6: Final answer
   x = 6,979.03