Finding the Fourth Proportional to 2,552.23, 3,522.41 and 1,557.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,552.23 : 3,522.41 = 1,557.30 : x
2. Step 2: Convert to fraction form
   2,552.23/3,522.41 = 1,557.30/x
3. Step 3: Cross multiply
   2,552.23x = 3,522.41 × 1,557.30
4. Step 4: Simplify right side
   2,552.23x = 5,485,445.20
5. Step 5: Solve for x
   x = 5,485,445.20/2,552.23
6. Step 6: Final answer
   x = 2,149.27