Finding the Fourth Proportional to 1,336.36, 1,844.04 and 776.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.36 : 1,844.04 = 776.82 : x
2. Step 2: Convert to fraction form
   1,336.36/1,844.04 = 776.82/x
3. Step 3: Cross multiply
   1,336.36x = 1,844.04 × 776.82
4. Step 4: Simplify right side
   1,336.36x = 1,432,487.15
5. Step 5: Solve for x
   x = 1,432,487.15/1,336.36
6. Step 6: Final answer
   x = 1,071.93