Finding the Fourth Proportional to 1,336.37, 1,844.34 and 812.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.37 : 1,844.34 = 812.69 : x
2. Step 2: Convert to fraction form
   1,336.37/1,844.34 = 812.69/x
3. Step 3: Cross multiply
   1,336.37x = 1,844.34 × 812.69
4. Step 4: Simplify right side
   1,336.37x = 1,498,876.67
5. Step 5: Solve for x
   x = 1,498,876.67/1,336.37
6. Step 6: Final answer
   x = 1,121.60