Finding the Fourth Proportional to 6,819.41, 10,224.56 and 5,504.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,819.41 : 10,224.56 = 5,504.78 : x
2. Step 2: Convert to fraction form
   6,819.41/10,224.56 = 5,504.78/x
3. Step 3: Cross multiply
   6,819.41x = 10,224.56 × 5,504.78
4. Step 4: Simplify right side
   6,819.41x = 56,283,992.72
5. Step 5: Solve for x
   x = 56,283,992.72/6,819.41
6. Step 6: Final answer
   x = 8,253.50