Finding the Fourth Proportional to 1,336.03, 1,843.50 and 776.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.03 : 1,843.50 = 776.59 : x
2. Step 2: Convert to fraction form
   1,336.03/1,843.50 = 776.59/x
3. Step 3: Cross multiply
   1,336.03x = 1,843.50 × 776.59
4. Step 4: Simplify right side
   1,336.03x = 1,431,643.67
5. Step 5: Solve for x
   x = 1,431,643.67/1,336.03
6. Step 6: Final answer
   x = 1,071.57