Finding the Fourth Proportional to 2,383.30, 3,573.71 and 922.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,383.30 : 3,573.71 = 922.88 : x
2. Step 2: Convert to fraction form
   2,383.30/3,573.71 = 922.88/x
3. Step 3: Cross multiply
   2,383.30x = 3,573.71 × 922.88
4. Step 4: Simplify right side
   2,383.30x = 3,298,105.48
5. Step 5: Solve for x
   x = 3,298,105.48/2,383.30
6. Step 6: Final answer
   x = 1,383.84