Finding the Fourth Proportional to 2,557.50, 3,529.35 and 1,510.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557.50 : 3,529.35 = 1,510.20 : x
2. Step 2: Convert to fraction form
   2,557.50/3,529.35 = 1,510.20/x
3. Step 3: Cross multiply
   2,557.50x = 3,529.35 × 1,510.20
4. Step 4: Simplify right side
   2,557.50x = 5,330,024.37
5. Step 5: Solve for x
   x = 5,330,024.37/2,557.50
6. Step 6: Final answer
   x = 2,084.08