Finding the Fourth Proportional to 2,651.43, 3,658.77 and 1,531.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.43 : 3,658.77 = 1,531.61 : x
2. Step 2: Convert to fraction form
   2,651.43/3,658.77 = 1,531.61/x
3. Step 3: Cross multiply
   2,651.43x = 3,658.77 × 1,531.61
4. Step 4: Simplify right side
   2,651.43x = 5,603,804.15
5. Step 5: Solve for x
   x = 5,603,804.15/2,651.43
6. Step 6: Final answer
   x = 2,113.50