Finding the Fourth Proportional to 2,552.31, 3,521.34 and 1,489.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,552.31 : 3,521.34 = 1,489.59 : x
2. Step 2: Convert to fraction form
   2,552.31/3,521.34 = 1,489.59/x
3. Step 3: Cross multiply
   2,552.31x = 3,521.34 × 1,489.59
4. Step 4: Simplify right side
   2,552.31x = 5,245,352.85
5. Step 5: Solve for x
   x = 5,245,352.85/2,552.31
6. Step 6: Final answer
   x = 2,055.14