Finding the Fourth Proportional to 2,536.92, 3,500.31 and 1,488.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,536.92 : 3,500.31 = 1,488.78 : x
2. Step 2: Convert to fraction form
   2,536.92/3,500.31 = 1,488.78/x
3. Step 3: Cross multiply
   2,536.92x = 3,500.31 × 1,488.78
4. Step 4: Simplify right side
   2,536.92x = 5,211,191.52
5. Step 5: Solve for x
   x = 5,211,191.52/2,536.92
6. Step 6: Final answer
   x = 2,054.14