Finding the Fourth Proportional to 2,049.21, 2,827.89 and 1,117.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,049.21 : 2,827.89 = 1,117.71 : x
2. Step 2: Convert to fraction form
   2,049.21/2,827.89 = 1,117.71/x
3. Step 3: Cross multiply
   2,049.21x = 2,827.89 × 1,117.71
4. Step 4: Simplify right side
   2,049.21x = 3,160,760.93
5. Step 5: Solve for x
   x = 3,160,760.93/2,049.21
6. Step 6: Final answer
   x = 1,542.43