Finding the Fourth Proportional to 2,189.96, 3,286.29 and 1,150.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189.96 : 3,286.29 = 1,150.71 : x
2. Step 2: Convert to fraction form
   2,189.96/3,286.29 = 1,150.71/x
3. Step 3: Cross multiply
   2,189.96x = 3,286.29 × 1,150.71
4. Step 4: Simplify right side
   2,189.96x = 3,781,566.77
5. Step 5: Solve for x
   x = 3,781,566.77/2,189.96
6. Step 6: Final answer
   x = 1,726.77