Finding the Fourth Proportional to 6,557.89, 9,839.27 and 3,049.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,557.89 : 9,839.27 = 3,049.78 : x
2. Step 2: Convert to fraction form
   6,557.89/9,839.27 = 3,049.78/x
3. Step 3: Cross multiply
   6,557.89x = 9,839.27 × 3,049.78
4. Step 4: Simplify right side
   6,557.89x = 30,007,608.86
5. Step 5: Solve for x
   x = 30,007,608.86/6,557.89
6. Step 6: Final answer
   x = 4,575.80