Finding the Fourth Proportional to 10,761.96, 16,205.88 and 9,391.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,761.96 : 16,205.88 = 9,391.71 : x
2. Step 2: Convert to fraction form
   10,761.96/16,205.88 = 9,391.71/x
3. Step 3: Cross multiply
   10,761.96x = 16,205.88 × 9,391.71
4. Step 4: Simplify right side
   10,761.96x = 152,200,925.25
5. Step 5: Solve for x
   x = 152,200,925.25/10,761.96
6. Step 6: Final answer
   x = 14,142.49