Finding the Fourth Proportional to 2,650.85, 3,657.74 and 1,531.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.85 : 3,657.74 = 1,531.94 : x
2. Step 2: Convert to fraction form
   2,650.85/3,657.74 = 1,531.94/x
3. Step 3: Cross multiply
   2,650.85x = 3,657.74 × 1,531.94
4. Step 4: Simplify right side
   2,650.85x = 5,603,412.27
5. Step 5: Solve for x
   x = 5,603,412.27/2,650.85
6. Step 6: Final answer
   x = 2,113.82