Finding the Fourth Proportional to 2,552.30, 3,522.18 and 1,433.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,552.30 : 3,522.18 = 1,433.61 : x
2. Step 2: Convert to fraction form
   2,552.30/3,522.18 = 1,433.61/x
3. Step 3: Cross multiply
   2,552.30x = 3,522.18 × 1,433.61
4. Step 4: Simplify right side
   2,552.30x = 5,049,418.44
5. Step 5: Solve for x
   x = 5,049,418.44/2,552.30
6. Step 6: Final answer
   x = 1,978.38