Finding the Fourth Proportional to 2,545.86, 3,512.25 and 1,601.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.86 : 3,512.25 = 1,601.31 : x
2. Step 2: Convert to fraction form
   2,545.86/3,512.25 = 1,601.31/x
3. Step 3: Cross multiply
   2,545.86x = 3,512.25 × 1,601.31
4. Step 4: Simplify right side
   2,545.86x = 5,624,201.05
5. Step 5: Solve for x
   x = 5,624,201.05/2,545.86
6. Step 6: Final answer
   x = 2,209.16