Finding the Fourth Proportional to 2,026.31, 2,796.27 and 1,142.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,026.31 : 2,796.27 = 1,142.12 : x
2. Step 2: Convert to fraction form
   2,026.31/2,796.27 = 1,142.12/x
3. Step 3: Cross multiply
   2,026.31x = 2,796.27 × 1,142.12
4. Step 4: Simplify right side
   2,026.31x = 3,193,661.91
5. Step 5: Solve for x
   x = 3,193,661.91/2,026.31
6. Step 6: Final answer
   x = 1,576.10