Finding the Fourth Proportional to 2,493.12, 3,739.78 and 932.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,493.12 : 3,739.78 = 932.96 : x
2. Step 2: Convert to fraction form
   2,493.12/3,739.78 = 932.96/x
3. Step 3: Cross multiply
   2,493.12x = 3,739.78 × 932.96
4. Step 4: Simplify right side
   2,493.12x = 3,489,065.15
5. Step 5: Solve for x
   x = 3,489,065.15/2,493.12
6. Step 6: Final answer
   x = 1,399.48