Finding the Fourth Proportional to 6,071.37, 8,379.24 and 3,419.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,071.37 : 8,379.24 = 3,419.28 : x
2. Step 2: Convert to fraction form
   6,071.37/8,379.24 = 3,419.28/x
3. Step 3: Cross multiply
   6,071.37x = 8,379.24 × 3,419.28
4. Step 4: Simplify right side
   6,071.37x = 28,650,967.75
5. Step 5: Solve for x
   x = 28,650,967.75/6,071.37
6. Step 6: Final answer
   x = 4,719.03