Finding the Fourth Proportional to 1,336.23, 2,005.83 and 849.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.23 : 2,005.83 = 849.69 : x
2. Step 2: Convert to fraction form
   1,336.23/2,005.83 = 849.69/x
3. Step 3: Cross multiply
   1,336.23x = 2,005.83 × 849.69
4. Step 4: Simplify right side
   1,336.23x = 1,704,333.69
5. Step 5: Solve for x
   x = 1,704,333.69/1,336.23
6. Step 6: Final answer
   x = 1,275.48