Finding the Fourth Proportional to 2,650.76, 3,657.43 and 1,531.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.76 : 3,657.43 = 1,531.48 : x
2. Step 2: Convert to fraction form
   2,650.76/3,657.43 = 1,531.48/x
3. Step 3: Cross multiply
   2,650.76x = 3,657.43 × 1,531.48
4. Step 4: Simplify right side
   2,650.76x = 5,601,280.90
5. Step 5: Solve for x
   x = 5,601,280.90/2,650.76
6. Step 6: Final answer
   x = 2,113.08