Finding the Fourth Proportional to 5,649.39, 7,796.22 and 3,131.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,649.39 : 7,796.22 = 3,131.55 : x
2. Step 2: Convert to fraction form
   5,649.39/7,796.22 = 3,131.55/x
3. Step 3: Cross multiply
   5,649.39x = 7,796.22 × 3,131.55
4. Step 4: Simplify right side
   5,649.39x = 24,414,293.72
5. Step 5: Solve for x
   x = 24,414,293.72/5,649.39
6. Step 6: Final answer
   x = 4,321.58