Finding the Fourth Proportional to 2,650.74, 3,976.71 and 1,419.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.74 : 3,976.71 = 1,419.33 : x
2. Step 2: Convert to fraction form
   2,650.74/3,976.71 = 1,419.33/x
3. Step 3: Cross multiply
   2,650.74x = 3,976.71 × 1,419.33
4. Step 4: Simplify right side
   2,650.74x = 5,644,263.80
5. Step 5: Solve for x
   x = 5,644,263.80/2,650.74
6. Step 6: Final answer
   x = 2,129.32