Finding the Fourth Proportional to 1,336.48, 1,844.37 and 839.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.48 : 1,844.37 = 839.14 : x
2. Step 2: Convert to fraction form
   1,336.48/1,844.37 = 839.14/x
3. Step 3: Cross multiply
   1,336.48x = 1,844.37 × 839.14
4. Step 4: Simplify right side
   1,336.48x = 1,547,680.03
5. Step 5: Solve for x
   x = 1,547,680.03/1,336.48
6. Step 6: Final answer
   x = 1,158.03