Finding the Fourth Proportional to 1,385.73, 1,912.41 and 796.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385.73 : 1,912.41 = 796.30 : x
2. Step 2: Convert to fraction form
   1,385.73/1,912.41 = 796.30/x
3. Step 3: Cross multiply
   1,385.73x = 1,912.41 × 796.30
4. Step 4: Simplify right side
   1,385.73x = 1,522,852.08
5. Step 5: Solve for x
   x = 1,522,852.08/1,385.73
6. Step 6: Final answer
   x = 1,098.95