Finding the Fourth Proportional to 1,385.63, 1,912.02 and 796.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385.63 : 1,912.02 = 796.25 : x
2. Step 2: Convert to fraction form
   1,385.63/1,912.02 = 796.25/x
3. Step 3: Cross multiply
   1,385.63x = 1,912.02 × 796.25
4. Step 4: Simplify right side
   1,385.63x = 1,522,436.36
5. Step 5: Solve for x
   x = 1,522,436.36/1,385.63
6. Step 6: Final answer
   x = 1,098.74