Finding the Fourth Proportional to 8,158.50, 11,254.72 and 5,324.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,158.50 : 11,254.72 = 5,324.56 : x
2. Step 2: Convert to fraction form
   8,158.50/11,254.72 = 5,324.56/x
3. Step 3: Cross multiply
   8,158.50x = 11,254.72 × 5,324.56
4. Step 4: Simplify right side
   8,158.50x = 59,926,431.92
5. Step 5: Solve for x
   x = 59,926,431.92/8,158.50
6. Step 6: Final answer
   x = 7,345.28