Finding the Fourth Proportional to 2,557.40, 3,529.30 and 1,495

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557.40 : 3,529.30 = 1,495 : x
2. Step 2: Convert to fraction form
   2,557.40/3,529.30 = 1,495/x
3. Step 3: Cross multiply
   2,557.40x = 3,529.30 × 1,495
4. Step 4: Simplify right side
   2,557.40x = 5,276,303.50
5. Step 5: Solve for x
   x = 5,276,303.50/2,557.40
6. Step 6: Final answer
   x = 2,063.15