Finding the Fourth Proportional to 4,800.72, 6,624.01 and 3,031.35

Step by Step Solution

1. Step 1: Write the proportion equation
   4,800.72 : 6,624.01 = 3,031.35 : x
2. Step 2: Convert to fraction form
   4,800.72/6,624.01 = 3,031.35/x
3. Step 3: Cross multiply
   4,800.72x = 6,624.01 × 3,031.35
4. Step 4: Simplify right side
   4,800.72x = 20,079,692.71
5. Step 5: Solve for x
   x = 20,079,692.71/4,800.72
6. Step 6: Final answer
   x = 4,182.64