Finding the Fourth Proportional to 2,664.47, 3,994.27 and 932.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,664.47 : 3,994.27 = 932.15 : x
2. Step 2: Convert to fraction form
   2,664.47/3,994.27 = 932.15/x
3. Step 3: Cross multiply
   2,664.47x = 3,994.27 × 932.15
4. Step 4: Simplify right side
   2,664.47x = 3,723,258.78
5. Step 5: Solve for x
   x = 3,723,258.78/2,664.47
6. Step 6: Final answer
   x = 1,397.37