Finding the Fourth Proportional to 2,392.98, 3,587.88 and 932.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,392.98 : 3,587.88 = 932.28 : x
2. Step 2: Convert to fraction form
   2,392.98/3,587.88 = 932.28/x
3. Step 3: Cross multiply
   2,392.98x = 3,587.88 × 932.28
4. Step 4: Simplify right side
   2,392.98x = 3,344,908.77
5. Step 5: Solve for x
   x = 3,344,908.77/2,392.98
6. Step 6: Final answer
   x = 1,397.80