Finding the Fourth Proportional to 6,072.12, 8,379.72 and 3,419.73

Step by Step Solution

1. Step 1: Write the proportion equation
   6,072.12 : 8,379.72 = 3,419.73 : x
2. Step 2: Convert to fraction form
   6,072.12/8,379.72 = 3,419.73/x
3. Step 3: Cross multiply
   6,072.12x = 8,379.72 × 3,419.73
4. Step 4: Simplify right side
   6,072.12x = 28,656,379.88
5. Step 5: Solve for x
   x = 28,656,379.88/6,072.12
6. Step 6: Final answer
   x = 4,719.34