Finding the Fourth Proportional to 2,502.33, 3,452.34 and 1,557.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,502.33 : 3,452.34 = 1,557.57 : x
2. Step 2: Convert to fraction form
   2,502.33/3,452.34 = 1,557.57/x
3. Step 3: Cross multiply
   2,502.33x = 3,452.34 × 1,557.57
4. Step 4: Simplify right side
   2,502.33x = 5,377,261.21
5. Step 5: Solve for x
   x = 5,377,261.21/2,502.33
6. Step 6: Final answer
   x = 2,148.90