Finding the Fourth Proportional to 2,026.18, 3,038.31 and 930.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,026.18 : 3,038.31 = 930.22 : x
2. Step 2: Convert to fraction form
   2,026.18/3,038.31 = 930.22/x
3. Step 3: Cross multiply
   2,026.18x = 3,038.31 × 930.22
4. Step 4: Simplify right side
   2,026.18x = 2,826,296.73
5. Step 5: Solve for x
   x = 2,826,296.73/2,026.18
6. Step 6: Final answer
   x = 1,394.89