Finding the Fourth Proportional to 2,388.27, 3,295.27 and 1,392.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388.27 : 3,295.27 = 1,392.96 : x
2. Step 2: Convert to fraction form
   2,388.27/3,295.27 = 1,392.96/x
3. Step 3: Cross multiply
   2,388.27x = 3,295.27 × 1,392.96
4. Step 4: Simplify right side
   2,388.27x = 4,590,175.82
5. Step 5: Solve for x
   x = 4,590,175.82/2,388.27
6. Step 6: Final answer
   x = 1,921.96