Finding the Fourth Proportional to 6,867.53, 9,478.02 and 4,480.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,867.53 : 9,478.02 = 4,480.05 : x
2. Step 2: Convert to fraction form
   6,867.53/9,478.02 = 4,480.05/x
3. Step 3: Cross multiply
   6,867.53x = 9,478.02 × 4,480.05
4. Step 4: Simplify right side
   6,867.53x = 42,462,003.50
5. Step 5: Solve for x
   x = 42,462,003.50/6,867.53
6. Step 6: Final answer
   x = 6,183.01