Finding the Fourth Proportional to 2,048.31, 2,826.68 and 1,116.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.31 : 2,826.68 = 1,116.81 : x
2. Step 2: Convert to fraction form
   2,048.31/2,826.68 = 1,116.81/x
3. Step 3: Cross multiply
   2,048.31x = 2,826.68 × 1,116.81
4. Step 4: Simplify right side
   2,048.31x = 3,156,864.49
5. Step 5: Solve for x
   x = 3,156,864.49/2,048.31
6. Step 6: Final answer
   x = 1,541.20