Finding the Fourth Proportional to 3,123.64, 4,686.18 and 932.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123.64 : 4,686.18 = 932.32 : x
2. Step 2: Convert to fraction form
   3,123.64/4,686.18 = 932.32/x
3. Step 3: Cross multiply
   3,123.64x = 4,686.18 × 932.32
4. Step 4: Simplify right side
   3,123.64x = 4,369,019.34
5. Step 5: Solve for x
   x = 4,369,019.34/3,123.64
6. Step 6: Final answer
   x = 1,398.69