Finding the Fourth Proportional to 2,651.40, 3,658.74 and 1,531.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.40 : 3,658.74 = 1,531.46 : x
2. Step 2: Convert to fraction form
   2,651.40/3,658.74 = 1,531.46/x
3. Step 3: Cross multiply
   2,651.40x = 3,658.74 × 1,531.46
4. Step 4: Simplify right side
   2,651.40x = 5,603,210.56
5. Step 5: Solve for x
   x = 5,603,210.56/2,651.40
6. Step 6: Final answer
   x = 2,113.30