Finding the Fourth Proportional to 2,557.20, 3,526.83 and 1,508.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557.20 : 3,526.83 = 1,508.25 : x
2. Step 2: Convert to fraction form
   2,557.20/3,526.83 = 1,508.25/x
3. Step 3: Cross multiply
   2,557.20x = 3,526.83 × 1,508.25
4. Step 4: Simplify right side
   2,557.20x = 5,319,341.35
5. Step 5: Solve for x
   x = 5,319,341.35/2,557.20
6. Step 6: Final answer
   x = 2,080.14