Finding the Fourth Proportional to 10,520.25, 14,517.30 and 5,740.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,520.25 : 14,517.30 = 5,740.23 : x
2. Step 2: Convert to fraction form
   10,520.25/14,517.30 = 5,740.23/x
3. Step 3: Cross multiply
   10,520.25x = 14,517.30 × 5,740.23
4. Step 4: Simplify right side
   10,520.25x = 83,332,640.98
5. Step 5: Solve for x
   x = 83,332,640.98/10,520.25
6. Step 6: Final answer
   x = 7,921.17