Finding the Fourth Proportional to 6,222.96, 8,586.72 and 3,427.92

Step by Step Solution

1. Step 1: Write the proportion equation
   6,222.96 : 8,586.72 = 3,427.92 : x
2. Step 2: Convert to fraction form
   6,222.96/8,586.72 = 3,427.92/x
3. Step 3: Cross multiply
   6,222.96x = 8,586.72 × 3,427.92
4. Step 4: Simplify right side
   6,222.96x = 29,434,589.22
5. Step 5: Solve for x
   x = 29,434,589.22/6,222.96
6. Step 6: Final answer
   x = 4,730.00