Finding the Fourth Proportional to 1,336.24, 1,843.16 and 1,279.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.24 : 1,843.16 = 1,279.94 : x
2. Step 2: Convert to fraction form
   1,336.24/1,843.16 = 1,279.94/x
3. Step 3: Cross multiply
   1,336.24x = 1,843.16 × 1,279.94
4. Step 4: Simplify right side
   1,336.24x = 2,359,134.21
5. Step 5: Solve for x
   x = 2,359,134.21/1,336.24
6. Step 6: Final answer
   x = 1,765.50