Finding the Fourth Proportional to 2,736.59, 4,104.86 and 684.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.59 : 4,104.86 = 684.59 : x
2. Step 2: Convert to fraction form
   2,736.59/4,104.86 = 684.59/x
3. Step 3: Cross multiply
   2,736.59x = 4,104.86 × 684.59
4. Step 4: Simplify right side
   2,736.59x = 2,810,122.16
5. Step 5: Solve for x
   x = 2,810,122.16/2,736.59
6. Step 6: Final answer
   x = 1,026.87