Finding the Fourth Proportional to 6,356.54, 8,776.49 and 4,861.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,356.54 : 8,776.49 = 4,861.89 : x
2. Step 2: Convert to fraction form
   6,356.54/8,776.49 = 4,861.89/x
3. Step 3: Cross multiply
   6,356.54x = 8,776.49 × 4,861.89
4. Step 4: Simplify right side
   6,356.54x = 42,670,304.66
5. Step 5: Solve for x
   x = 42,670,304.66/6,356.54
6. Step 6: Final answer
   x = 6,712.82