Finding the Fourth Proportional to 2,558.76, 3,531.06 and 1,510.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558.76 : 3,531.06 = 1,510.80 : x
2. Step 2: Convert to fraction form
   2,558.76/3,531.06 = 1,510.80/x
3. Step 3: Cross multiply
   2,558.76x = 3,531.06 × 1,510.80
4. Step 4: Simplify right side
   2,558.76x = 5,334,725.45
5. Step 5: Solve for x
   x = 5,334,725.45/2,558.76
6. Step 6: Final answer
   x = 2,084.89