Finding the Fourth Proportional to 2,026.65, 2,796.72 and 1,142.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,026.65 : 2,796.72 = 1,142.45 : x
2. Step 2: Convert to fraction form
   2,026.65/2,796.72 = 1,142.45/x
3. Step 3: Cross multiply
   2,026.65x = 2,796.72 × 1,142.45
4. Step 4: Simplify right side
   2,026.65x = 3,195,108.64
5. Step 5: Solve for x
   x = 3,195,108.64/2,026.65
6. Step 6: Final answer
   x = 1,576.55