Finding the Fourth Proportional to 7,124.97, 9,832.43 and 3,981.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,124.97 : 9,832.43 = 3,981.15 : x
2. Step 2: Convert to fraction form
   7,124.97/9,832.43 = 3,981.15/x
3. Step 3: Cross multiply
   7,124.97x = 9,832.43 × 3,981.15
4. Step 4: Simplify right side
   7,124.97x = 39,144,393.32
5. Step 5: Solve for x
   x = 39,144,393.32/7,124.97
6. Step 6: Final answer
   x = 5,493.98