Finding the Fourth Proportional to 2,613.09, 3,605.82 and 1,550.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.09 : 3,605.82 = 1,550.67 : x
2. Step 2: Convert to fraction form
   2,613.09/3,605.82 = 1,550.67/x
3. Step 3: Cross multiply
   2,613.09x = 3,605.82 × 1,550.67
4. Step 4: Simplify right side
   2,613.09x = 5,591,436.90
5. Step 5: Solve for x
   x = 5,591,436.90/2,613.09
6. Step 6: Final answer
   x = 2,139.78