Finding the Fourth Proportional to 4,910.74, 6,759.71 and 4,280.18

Step by Step Solution

1. Step 1: Write the proportion equation
   4,910.74 : 6,759.71 = 4,280.18 : x
2. Step 2: Convert to fraction form
   4,910.74/6,759.71 = 4,280.18/x
3. Step 3: Cross multiply
   4,910.74x = 6,759.71 × 4,280.18
4. Step 4: Simplify right side
   4,910.74x = 28,932,736.40
5. Step 5: Solve for x
   x = 28,932,736.40/4,910.74
6. Step 6: Final answer
   x = 5,891.72