Finding the Fourth Proportional to 1,336.02, 1,843.38 and 812.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.02 : 1,843.38 = 812.04 : x
2. Step 2: Convert to fraction form
   1,336.02/1,843.38 = 812.04/x
3. Step 3: Cross multiply
   1,336.02x = 1,843.38 × 812.04
4. Step 4: Simplify right side
   1,336.02x = 1,496,898.30
5. Step 5: Solve for x
   x = 1,496,898.30/1,336.02
6. Step 6: Final answer
   x = 1,120.42