Finding the Fourth Proportional to 2,048.28, 2,826.66 and 1,116.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.28 : 2,826.66 = 1,116.78 : x
2. Step 2: Convert to fraction form
   2,048.28/2,826.66 = 1,116.78/x
3. Step 3: Cross multiply
   2,048.28x = 2,826.66 × 1,116.78
4. Step 4: Simplify right side
   2,048.28x = 3,156,757.35
5. Step 5: Solve for x
   x = 3,156,757.35/2,048.28
6. Step 6: Final answer
   x = 1,541.17