Finding the Fourth Proportional to 2,026.71, 2,796.89 and 1,142.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,026.71 : 2,796.89 = 1,142.51 : x
2. Step 2: Convert to fraction form
   2,026.71/2,796.89 = 1,142.51/x
3. Step 3: Cross multiply
   2,026.71x = 2,796.89 × 1,142.51
4. Step 4: Simplify right side
   2,026.71x = 3,195,455.10
5. Step 5: Solve for x
   x = 3,195,455.10/2,026.71
6. Step 6: Final answer
   x = 1,576.67