Finding the Fourth Proportional to 5,649.57, 7,796.39 and 3,131.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,649.57 : 7,796.39 = 3,131.69 : x
2. Step 2: Convert to fraction form
   5,649.57/7,796.39 = 3,131.69/x
3. Step 3: Cross multiply
   5,649.57x = 7,796.39 × 3,131.69
4. Step 4: Simplify right side
   5,649.57x = 24,415,821.96
5. Step 5: Solve for x
   x = 24,415,821.96/5,649.57
6. Step 6: Final answer
   x = 4,321.71