Finding the Fourth Proportional to 6,417.28, 8,855.82 and 3,622.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,417.28 : 8,855.82 = 3,622.76 : x
2. Step 2: Convert to fraction form
   6,417.28/8,855.82 = 3,622.76/x
3. Step 3: Cross multiply
   6,417.28x = 8,855.82 × 3,622.76
4. Step 4: Simplify right side
   6,417.28x = 32,082,510.46
5. Step 5: Solve for x
   x = 32,082,510.46/6,417.28
6. Step 6: Final answer
   x = 4,999.39