Finding the Fourth Proportional to 11,411.69, 15,746.21 and 6,375.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,411.69 : 15,746.21 = 6,375.72 : x
2. Step 2: Convert to fraction form
   11,411.69/15,746.21 = 6,375.72/x
3. Step 3: Cross multiply
   11,411.69x = 15,746.21 × 6,375.72
4. Step 4: Simplify right side
   11,411.69x = 100,393,426.02
5. Step 5: Solve for x
   x = 100,393,426.02/11,411.69
6. Step 6: Final answer
   x = 8,797.42