Finding the Fourth Proportional to 10,993.72, 16,488.98 and 3,200.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,993.72 : 16,488.98 = 3,200.44 : x
2. Step 2: Convert to fraction form
   10,993.72/16,488.98 = 3,200.44/x
3. Step 3: Cross multiply
   10,993.72x = 16,488.98 × 3,200.44
4. Step 4: Simplify right side
   10,993.72x = 52,771,991.15
5. Step 5: Solve for x
   x = 52,771,991.15/10,993.72
6. Step 6: Final answer
   x = 4,800.19