Finding the Fourth Proportional to 2,550.11, 3,519.16 and 1,488.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.11 : 3,519.16 = 1,488.61 : x
2. Step 2: Convert to fraction form
   2,550.11/3,519.16 = 1,488.61/x
3. Step 3: Cross multiply
   2,550.11x = 3,519.16 × 1,488.61
4. Step 4: Simplify right side
   2,550.11x = 5,238,656.77
5. Step 5: Solve for x
   x = 5,238,656.77/2,550.11
6. Step 6: Final answer
   x = 2,054.29