Finding the Fourth Proportional to 6,071.92, 8,379.04 and 3,419.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,071.92 : 8,379.04 = 3,419.88 : x
2. Step 2: Convert to fraction form
   6,071.92/8,379.04 = 3,419.88/x
3. Step 3: Cross multiply
   6,071.92x = 8,379.04 × 3,419.88
4. Step 4: Simplify right side
   6,071.92x = 28,655,311.32
5. Step 5: Solve for x
   x = 28,655,311.32/6,071.92
6. Step 6: Final answer
   x = 4,719.32