Finding the Fourth Proportional to 1,385.43, 1,912.05 and 796.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385.43 : 1,912.05 = 796.02 : x
2. Step 2: Convert to fraction form
   1,385.43/1,912.05 = 796.02/x
3. Step 3: Cross multiply
   1,385.43x = 1,912.05 × 796.02
4. Step 4: Simplify right side
   1,385.43x = 1,522,030.04
5. Step 5: Solve for x
   x = 1,522,030.04/1,385.43
6. Step 6: Final answer
   x = 1,098.60