Finding the Fourth Proportional to 2,022.78, 3,034.80 and 926.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.78 : 3,034.80 = 926.25 : x
2. Step 2: Convert to fraction form
   2,022.78/3,034.80 = 926.25/x
3. Step 3: Cross multiply
   2,022.78x = 3,034.80 × 926.25
4. Step 4: Simplify right side
   2,022.78x = 2,810,983.50
5. Step 5: Solve for x
   x = 2,810,983.50/2,022.78
6. Step 6: Final answer
   x = 1,389.66