Finding the Fourth Proportional to 2,545.55, 3,512.87 and 1,660.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.55 : 3,512.87 = 1,660.83 : x
2. Step 2: Convert to fraction form
   2,545.55/3,512.87 = 1,660.83/x
3. Step 3: Cross multiply
   2,545.55x = 3,512.87 × 1,660.83
4. Step 4: Simplify right side
   2,545.55x = 5,834,279.88
5. Step 5: Solve for x
   x = 5,834,279.88/2,545.55
6. Step 6: Final answer
   x = 2,291.95