Finding the Fourth Proportional to 10,150.11, 15,224.94 and 3,911.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,150.11 : 15,224.94 = 3,911.49 : x
2. Step 2: Convert to fraction form
   10,150.11/15,224.94 = 3,911.49/x
3. Step 3: Cross multiply
   10,150.11x = 15,224.94 × 3,911.49
4. Step 4: Simplify right side
   10,150.11x = 59,552,200.56
5. Step 5: Solve for x
   x = 59,552,200.56/10,150.11
6. Step 6: Final answer
   x = 5,867.15