Finding the Fourth Proportional to 2,650.39, 3,976.94 and 1,189.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.39 : 3,976.94 = 1,189.25 : x
2. Step 2: Convert to fraction form
   2,650.39/3,976.94 = 1,189.25/x
3. Step 3: Cross multiply
   2,650.39x = 3,976.94 × 1,189.25
4. Step 4: Simplify right side
   2,650.39x = 4,729,558.98
5. Step 5: Solve for x
   x = 4,729,558.98/2,650.39
6. Step 6: Final answer
   x = 1,784.48