Finding the Fourth Proportional to 7,863.48, 10,849.82 and 5,740.17

Step by Step Solution

1. Step 1: Write the proportion equation
   7,863.48 : 10,849.82 = 5,740.17 : x
2. Step 2: Convert to fraction form
   7,863.48/10,849.82 = 5,740.17/x
3. Step 3: Cross multiply
   7,863.48x = 10,849.82 × 5,740.17
4. Step 4: Simplify right side
   7,863.48x = 62,279,728.32
5. Step 5: Solve for x
   x = 62,279,728.32/7,863.48
6. Step 6: Final answer
   x = 7,920.12