Finding the Fourth Proportional to 3,393.15, 5,086.23 and 1,200.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,393.15 : 5,086.23 = 1,200.38 : x
2. Step 2: Convert to fraction form
   3,393.15/5,086.23 = 1,200.38/x
3. Step 3: Cross multiply
   3,393.15x = 5,086.23 × 1,200.38
4. Step 4: Simplify right side
   3,393.15x = 6,105,383.34
5. Step 5: Solve for x
   x = 6,105,383.34/3,393.15
6. Step 6: Final answer
   x = 1,799.33