Finding the Fourth Proportional to 1,738.34, 2,399.24 and 992.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,738.34 : 2,399.24 = 992.22 : x
2. Step 2: Convert to fraction form
   1,738.34/2,399.24 = 992.22/x
3. Step 3: Cross multiply
   1,738.34x = 2,399.24 × 992.22
4. Step 4: Simplify right side
   1,738.34x = 2,380,573.91
5. Step 5: Solve for x
   x = 2,380,573.91/1,738.34
6. Step 6: Final answer
   x = 1,369.45