Finding the Fourth Proportional to 2,627.27, 3,939.06 and 1,165.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,627.27 : 3,939.06 = 1,165.61 : x
2. Step 2: Convert to fraction form
   2,627.27/3,939.06 = 1,165.61/x
3. Step 3: Cross multiply
   2,627.27x = 3,939.06 × 1,165.61
4. Step 4: Simplify right side
   2,627.27x = 4,591,407.73
5. Step 5: Solve for x
   x = 4,591,407.73/2,627.27
6. Step 6: Final answer
   x = 1,747.60