Finding the Fourth Proportional to 7,131.72, 9,841.35 and 3,944.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,131.72 : 9,841.35 = 3,944.82 : x
2. Step 2: Convert to fraction form
   7,131.72/9,841.35 = 3,944.82/x
3. Step 3: Cross multiply
   7,131.72x = 9,841.35 × 3,944.82
4. Step 4: Simplify right side
   7,131.72x = 38,822,354.31
5. Step 5: Solve for x
   x = 38,822,354.31/7,131.72
6. Step 6: Final answer
   x = 5,443.62