Finding the Fourth Proportional to 2,545.32, 3,512.54 and 1,550.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.32 : 3,512.54 = 1,550.60 : x
2. Step 2: Convert to fraction form
   2,545.32/3,512.54 = 1,550.60/x
3. Step 3: Cross multiply
   2,545.32x = 3,512.54 × 1,550.60
4. Step 4: Simplify right side
   2,545.32x = 5,446,559.46
5. Step 5: Solve for x
   x = 5,446,559.46/2,545.32
6. Step 6: Final answer
   x = 2,139.83