Finding the Fourth Proportional to 10,520.38, 14,518.19 and 5,740.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,520.38 : 14,518.19 = 5,740.27 : x
2. Step 2: Convert to fraction form
   10,520.38/14,518.19 = 5,740.27/x
3. Step 3: Cross multiply
   10,520.38x = 14,518.19 × 5,740.27
4. Step 4: Simplify right side
   10,520.38x = 83,338,276.28
5. Step 5: Solve for x
   x = 83,338,276.28/10,520.38
6. Step 6: Final answer
   x = 7,921.60