Finding the Fourth Proportional to 9,016.56, 12,439.26 and 5,658.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,016.56 : 12,439.26 = 5,658.24 : x
2. Step 2: Convert to fraction form
   9,016.56/12,439.26 = 5,658.24/x
3. Step 3: Cross multiply
   9,016.56x = 12,439.26 × 5,658.24
4. Step 4: Simplify right side
   9,016.56x = 70,384,318.50
5. Step 5: Solve for x
   x = 70,384,318.50/9,016.56
6. Step 6: Final answer
   x = 7,806.12