Finding the Fourth Proportional to 2,545.55, 3,513.29 and 1,551.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.55 : 3,513.29 = 1,551.22 : x
2. Step 2: Convert to fraction form
   2,545.55/3,513.29 = 1,551.22/x
3. Step 3: Cross multiply
   2,545.55x = 3,513.29 × 1,551.22
4. Step 4: Simplify right side
   2,545.55x = 5,449,885.71
5. Step 5: Solve for x
   x = 5,449,885.71/2,545.55
6. Step 6: Final answer
   x = 2,140.95