Finding the Fourth Proportional to 10,391.28, 14,339.76 and 5,675.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,391.28 : 14,339.76 = 5,675.52 : x
2. Step 2: Convert to fraction form
   10,391.28/14,339.76 = 5,675.52/x
3. Step 3: Cross multiply
   10,391.28x = 14,339.76 × 5,675.52
4. Step 4: Simplify right side
   10,391.28x = 81,385,594.68
5. Step 5: Solve for x
   x = 81,385,594.68/10,391.28
6. Step 6: Final answer
   x = 7,832.10