Finding the Fourth Proportional to 10,700.72, 16,048.32 and 3,202.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,700.72 : 16,048.32 = 3,202.80 : x
2. Step 2: Convert to fraction form
   10,700.72/16,048.32 = 3,202.80/x
3. Step 3: Cross multiply
   10,700.72x = 16,048.32 × 3,202.80
4. Step 4: Simplify right side
   10,700.72x = 51,399,559.30
5. Step 5: Solve for x
   x = 51,399,559.30/10,700.72
6. Step 6: Final answer
   x = 4,803.37