Finding the Fourth Proportional to 2,496.38, 3,445.00 and 1,392.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,496.38 : 3,445.00 = 1,392.38 : x
2. Step 2: Convert to fraction form
   2,496.38/3,445.00 = 1,392.38/x
3. Step 3: Cross multiply
   2,496.38x = 3,445.00 × 1,392.38
4. Step 4: Simplify right side
   2,496.38x = 4,796,728.39
5. Step 5: Solve for x
   x = 4,796,728.39/2,496.38
6. Step 6: Final answer
   x = 1,921.48