Finding the Fourth Proportional to 2,552.78, 3,521.98 and 1,433.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,552.78 : 3,521.98 = 1,433.50 : x
2. Step 2: Convert to fraction form
   2,552.78/3,521.98 = 1,433.50/x
3. Step 3: Cross multiply
   2,552.78x = 3,521.98 × 1,433.50
4. Step 4: Simplify right side
   2,552.78x = 5,048,751.32
5. Step 5: Solve for x
   x = 5,048,751.32/2,552.78
6. Step 6: Final answer
   x = 1,977.74