Finding the Fourth Proportional to 2,650.56, 3,657.52 and 1,531.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.56 : 3,657.52 = 1,531.28 : x
2. Step 2: Convert to fraction form
   2,650.56/3,657.52 = 1,531.28/x
3. Step 3: Cross multiply
   2,650.56x = 3,657.52 × 1,531.28
4. Step 4: Simplify right side
   2,650.56x = 5,600,687.23
5. Step 5: Solve for x
   x = 5,600,687.23/2,650.56
6. Step 6: Final answer
   x = 2,113.02