Finding the Fourth Proportional to 2,282.38, 3,422.89 and 1,186.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,282.38 : 3,422.89 = 1,186.15 : x
2. Step 2: Convert to fraction form
   2,282.38/3,422.89 = 1,186.15/x
3. Step 3: Cross multiply
   2,282.38x = 3,422.89 × 1,186.15
4. Step 4: Simplify right side
   2,282.38x = 4,060,049.45
5. Step 5: Solve for x
   x = 4,060,049.45/2,282.38
6. Step 6: Final answer
   x = 1,778.87