Finding the Fourth Proportional to 2,558.18, 3,531.04 and 1,510.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558.18 : 3,531.04 = 1,510.58 : x
2. Step 2: Convert to fraction form
   2,558.18/3,531.04 = 1,510.58/x
3. Step 3: Cross multiply
   2,558.18x = 3,531.04 × 1,510.58
4. Step 4: Simplify right side
   2,558.18x = 5,333,918.40
5. Step 5: Solve for x
   x = 5,333,918.40/2,558.18
6. Step 6: Final answer
   x = 2,085.04