Finding the Fourth Proportional to 2,382.72, 3,574.58 and 922.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,382.72 : 3,574.58 = 922.29 : x
2. Step 2: Convert to fraction form
   2,382.72/3,574.58 = 922.29/x
3. Step 3: Cross multiply
   2,382.72x = 3,574.58 × 922.29
4. Step 4: Simplify right side
   2,382.72x = 3,296,794.78
5. Step 5: Solve for x
   x = 3,296,794.78/2,382.72
6. Step 6: Final answer
   x = 1,383.63