Finding the Fourth Proportional to 7,288.15, 10,057.71 and 4,144.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,288.15 : 10,057.71 = 4,144.34 : x
2. Step 2: Convert to fraction form
   7,288.15/10,057.71 = 4,144.34/x
3. Step 3: Cross multiply
   7,288.15x = 10,057.71 × 4,144.34
4. Step 4: Simplify right side
   7,288.15x = 41,682,569.86
5. Step 5: Solve for x
   x = 41,682,569.86/7,288.15
6. Step 6: Final answer
   x = 5,719.23