Finding the Fourth Proportional to 2,233.36, 3,347.34 and 933.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.36 : 3,347.34 = 933.31 : x
2. Step 2: Convert to fraction form
   2,233.36/3,347.34 = 933.31/x
3. Step 3: Cross multiply
   2,233.36x = 3,347.34 × 933.31
4. Step 4: Simplify right side
   2,233.36x = 3,124,105.90
5. Step 5: Solve for x
   x = 3,124,105.90/2,233.36
6. Step 6: Final answer
   x = 1,398.84