Finding the Fourth Proportional to 1,738.54, 2,399.42 and 992.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,738.54 : 2,399.42 = 992.33 : x
2. Step 2: Convert to fraction form
   1,738.54/2,399.42 = 992.33/x
3. Step 3: Cross multiply
   1,738.54x = 2,399.42 × 992.33
4. Step 4: Simplify right side
   1,738.54x = 2,381,011.49
5. Step 5: Solve for x
   x = 2,381,011.49/1,738.54
6. Step 6: Final answer
   x = 1,369.55