Finding the Fourth Proportional to 3,610.26, 5,411.43 and 2,359.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,610.26 : 5,411.43 = 2,359.31 : x
2. Step 2: Convert to fraction form
   3,610.26/5,411.43 = 2,359.31/x
3. Step 3: Cross multiply
   3,610.26x = 5,411.43 × 2,359.31
4. Step 4: Simplify right side
   3,610.26x = 12,767,240.91
5. Step 5: Solve for x
   x = 12,767,240.91/3,610.26
6. Step 6: Final answer
   x = 3,536.38