Finding the Fourth Proportional to 1,336.48, 1,843.69 and 942.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.48 : 1,843.69 = 942.64 : x
2. Step 2: Convert to fraction form
   1,336.48/1,843.69 = 942.64/x
3. Step 3: Cross multiply
   1,336.48x = 1,843.69 × 942.64
4. Step 4: Simplify right side
   1,336.48x = 1,737,922.01
5. Step 5: Solve for x
   x = 1,737,922.01/1,336.48
6. Step 6: Final answer
   x = 1,300.38