Finding the Fourth Proportional to 2,285.39, 3,428.78 and 968.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,285.39 : 3,428.78 = 968.46 : x
2. Step 2: Convert to fraction form
   2,285.39/3,428.78 = 968.46/x
3. Step 3: Cross multiply
   2,285.39x = 3,428.78 × 968.46
4. Step 4: Simplify right side
   2,285.39x = 3,320,631.44
5. Step 5: Solve for x
   x = 3,320,631.44/2,285.39
6. Step 6: Final answer
   x = 1,452.99