Finding the Fourth Proportional to 2,026.22, 3,038.04 and 855.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,026.22 : 3,038.04 = 855.61 : x
2. Step 2: Convert to fraction form
   2,026.22/3,038.04 = 855.61/x
3. Step 3: Cross multiply
   2,026.22x = 3,038.04 × 855.61
4. Step 4: Simplify right side
   2,026.22x = 2,599,384.41
5. Step 5: Solve for x
   x = 2,599,384.41/2,026.22
6. Step 6: Final answer
   x = 1,282.88