Finding the Fourth Proportional to 2,650.06, 3,657.21 and 1,531.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.06 : 3,657.21 = 1,531.15 : x
2. Step 2: Convert to fraction form
   2,650.06/3,657.21 = 1,531.15/x
3. Step 3: Cross multiply
   2,650.06x = 3,657.21 × 1,531.15
4. Step 4: Simplify right side
   2,650.06x = 5,599,711.15
5. Step 5: Solve for x
   x = 5,599,711.15/2,650.06
6. Step 6: Final answer
   x = 2,113.05