Finding the Fourth Proportional to 2,552.20, 3,521.88 and 1,433.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,552.20 : 3,521.88 = 1,433.22 : x
2. Step 2: Convert to fraction form
   2,552.20/3,521.88 = 1,433.22/x
3. Step 3: Cross multiply
   2,552.20x = 3,521.88 × 1,433.22
4. Step 4: Simplify right side
   2,552.20x = 5,047,615.65
5. Step 5: Solve for x
   x = 5,047,615.65/2,552.20
6. Step 6: Final answer
   x = 1,977.75