Finding the Fourth Proportional to 1,385.48, 1,912.06 and 796.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385.48 : 1,912.06 = 796.14 : x
2. Step 2: Convert to fraction form
   1,385.48/1,912.06 = 796.14/x
3. Step 3: Cross multiply
   1,385.48x = 1,912.06 × 796.14
4. Step 4: Simplify right side
   1,385.48x = 1,522,267.45
5. Step 5: Solve for x
   x = 1,522,267.45/1,385.48
6. Step 6: Final answer
   x = 1,098.73