Finding the Fourth Proportional to 9,022.72, 13,541.12 and 5,134.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,022.72 : 13,541.12 = 5,134.72 : x
2. Step 2: Convert to fraction form
   9,022.72/13,541.12 = 5,134.72/x
3. Step 3: Cross multiply
   9,022.72x = 13,541.12 × 5,134.72
4. Step 4: Simplify right side
   9,022.72x = 69,529,859.69
5. Step 5: Solve for x
   x = 69,529,859.69/9,022.72
6. Step 6: Final answer
   x = 7,706.09