Finding the Fourth Proportional to 2,545.54, 3,513.51 and 1,551.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.54 : 3,513.51 = 1,551.47 : x
2. Step 2: Convert to fraction form
   2,545.54/3,513.51 = 1,551.47/x
3. Step 3: Cross multiply
   2,545.54x = 3,513.51 × 1,551.47
4. Step 4: Simplify right side
   2,545.54x = 5,451,087.79
5. Step 5: Solve for x
   x = 5,451,087.79/2,545.54
6. Step 6: Final answer
   x = 2,141.43