Finding the Fourth Proportional to 1,336.77, 1,844.46 and 839.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.77 : 1,844.46 = 839.52 : x
2. Step 2: Convert to fraction form
   1,336.77/1,844.46 = 839.52/x
3. Step 3: Cross multiply
   1,336.77x = 1,844.46 × 839.52
4. Step 4: Simplify right side
   1,336.77x = 1,548,461.06
5. Step 5: Solve for x
   x = 1,548,461.06/1,336.77
6. Step 6: Final answer
   x = 1,158.36