Finding the Fourth Proportional to 1,483.75, 2,226.89 and 826.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.75 : 2,226.89 = 826.28 : x
2. Step 2: Convert to fraction form
   1,483.75/2,226.89 = 826.28/x
3. Step 3: Cross multiply
   1,483.75x = 2,226.89 × 826.28
4. Step 4: Simplify right side
   1,483.75x = 1,840,046.48
5. Step 5: Solve for x
   x = 1,840,046.48/1,483.75
6. Step 6: Final answer
   x = 1,240.13