Finding the Fourth Proportional to 2,026.23, 2,796.21 and 1,280.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,026.23 : 2,796.21 = 1,280.52 : x
2. Step 2: Convert to fraction form
   2,026.23/2,796.21 = 1,280.52/x
3. Step 3: Cross multiply
   2,026.23x = 2,796.21 × 1,280.52
4. Step 4: Simplify right side
   2,026.23x = 3,580,602.83
5. Step 5: Solve for x
   x = 3,580,602.83/2,026.23
6. Step 6: Final answer
   x = 1,767.13