Finding the Fourth Proportional to 2,662.47, 3,994.25 and 932.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.47 : 3,994.25 = 932.31 : x
2. Step 2: Convert to fraction form
   2,662.47/3,994.25 = 932.31/x
3. Step 3: Cross multiply
   2,662.47x = 3,994.25 × 932.31
4. Step 4: Simplify right side
   2,662.47x = 3,723,874.56
5. Step 5: Solve for x
   x = 3,723,874.56/2,662.47
6. Step 6: Final answer
   x = 1,398.65