Finding the Fourth Proportional to 4,776.89, 6,591.71 and 2,680.61

Step by Step Solution

1. Step 1: Write the proportion equation
   4,776.89 : 6,591.71 = 2,680.61 : x
2. Step 2: Convert to fraction form
   4,776.89/6,591.71 = 2,680.61/x
3. Step 3: Cross multiply
   4,776.89x = 6,591.71 × 2,680.61
4. Step 4: Simplify right side
   4,776.89x = 17,669,777.49
5. Step 5: Solve for x
   x = 17,669,777.49/4,776.89
6. Step 6: Final answer
   x = 3,699.02