Finding the Fourth Proportional to 2,558.52, 3,531.30 and 1,510.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558.52 : 3,531.30 = 1,510.80 : x
2. Step 2: Convert to fraction form
   2,558.52/3,531.30 = 1,510.80/x
3. Step 3: Cross multiply
   2,558.52x = 3,531.30 × 1,510.80
4. Step 4: Simplify right side
   2,558.52x = 5,335,088.04
5. Step 5: Solve for x
   x = 5,335,088.04/2,558.52
6. Step 6: Final answer
   x = 2,085.22