Finding the Fourth Proportional to 1,336.91, 1,843.49 and 938.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.91 : 1,843.49 = 938.49 : x
2. Step 2: Convert to fraction form
   1,336.91/1,843.49 = 938.49/x
3. Step 3: Cross multiply
   1,336.91x = 1,843.49 × 938.49
4. Step 4: Simplify right side
   1,336.91x = 1,730,092.36
5. Step 5: Solve for x
   x = 1,730,092.36/1,336.91
6. Step 6: Final answer
   x = 1,294.10