Finding the Fourth Proportional to 2,663.42, 3,995.85 and 932.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663.42 : 3,995.85 = 932.18 : x
2. Step 2: Convert to fraction form
   2,663.42/3,995.85 = 932.18/x
3. Step 3: Cross multiply
   2,663.42x = 3,995.85 × 932.18
4. Step 4: Simplify right side
   2,663.42x = 3,724,851.45
5. Step 5: Solve for x
   x = 3,724,851.45/2,663.42
6. Step 6: Final answer
   x = 1,398.52