Finding the Fourth Proportional to 2,545.33, 3,510.52 and 1,612.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.33 : 3,510.52 = 1,612.21 : x
2. Step 2: Convert to fraction form
   2,545.33/3,510.52 = 1,612.21/x
3. Step 3: Cross multiply
   2,545.33x = 3,510.52 × 1,612.21
4. Step 4: Simplify right side
   2,545.33x = 5,659,695.45
5. Step 5: Solve for x
   x = 5,659,695.45/2,545.33
6. Step 6: Final answer
   x = 2,223.56