Finding the Fourth Proportional to 7,131.76, 9,841.82 and 4,149.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,131.76 : 9,841.82 = 4,149.32 : x
2. Step 2: Convert to fraction form
   7,131.76/9,841.82 = 4,149.32/x
3. Step 3: Cross multiply
   7,131.76x = 9,841.82 × 4,149.32
4. Step 4: Simplify right side
   7,131.76x = 40,836,860.56
5. Step 5: Solve for x
   x = 40,836,860.56/7,131.76
6. Step 6: Final answer
   x = 5,726.06