Finding the Fourth Proportional to 1,393.62, 1,923.10 and 796.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393.62 : 1,923.10 = 796.12 : x
2. Step 2: Convert to fraction form
   1,393.62/1,923.10 = 796.12/x
3. Step 3: Cross multiply
   1,393.62x = 1,923.10 × 796.12
4. Step 4: Simplify right side
   1,393.62x = 1,531,018.37
5. Step 5: Solve for x
   x = 1,531,018.37/1,393.62
6. Step 6: Final answer
   x = 1,098.59