Finding the Fourth Proportional to 7,350.72, 10,144.96 and 4,208

Step by Step Solution

1. Step 1: Write the proportion equation
   7,350.72 : 10,144.96 = 4,208 : x
2. Step 2: Convert to fraction form
   7,350.72/10,144.96 = 4,208/x
3. Step 3: Cross multiply
   7,350.72x = 10,144.96 × 4,208
4. Step 4: Simplify right side
   7,350.72x = 42,689,991.68
5. Step 5: Solve for x
   x = 42,689,991.68/7,350.72
6. Step 6: Final answer
   x = 5,807.59