Finding the Fourth Proportional to 10,517.75, 14,505.35 and 9,100.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,517.75 : 14,505.35 = 9,100.98 : x
2. Step 2: Convert to fraction form
   10,517.75/14,505.35 = 9,100.98/x
3. Step 3: Cross multiply
   10,517.75x = 14,505.35 × 9,100.98
4. Step 4: Simplify right side
   10,517.75x = 132,012,854.74
5. Step 5: Solve for x
   x = 132,012,854.74/10,517.75
6. Step 6: Final answer
   x = 12,551.44