Finding the Fourth Proportional to 2,383.28, 3,288.98 and 1,335.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,383.28 : 3,288.98 = 1,335.34 : x
2. Step 2: Convert to fraction form
   2,383.28/3,288.98 = 1,335.34/x
3. Step 3: Cross multiply
   2,383.28x = 3,288.98 × 1,335.34
4. Step 4: Simplify right side
   2,383.28x = 4,391,906.55
5. Step 5: Solve for x
   x = 4,391,906.55/2,383.28
6. Step 6: Final answer
   x = 1,842.80