Finding the Fourth Proportional to 10,134.24, 15,224.42 and 7,331.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,134.24 : 15,224.42 = 7,331.72 : x
2. Step 2: Convert to fraction form
   10,134.24/15,224.42 = 7,331.72/x
3. Step 3: Cross multiply
   10,134.24x = 15,224.42 × 7,331.72
4. Step 4: Simplify right side
   10,134.24x = 111,621,184.60
5. Step 5: Solve for x
   x = 111,621,184.60/10,134.24
6. Step 6: Final answer
   x = 11,014.26