Finding the Fourth Proportional to 12,020.26, 18,025.52 and 4,995.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,020.26 : 18,025.52 = 4,995.50 : x
2. Step 2: Convert to fraction form
   12,020.26/18,025.52 = 4,995.50/x
3. Step 3: Cross multiply
   12,020.26x = 18,025.52 × 4,995.50
4. Step 4: Simplify right side
   12,020.26x = 90,046,485.16
5. Step 5: Solve for x
   x = 90,046,485.16/12,020.26
6. Step 6: Final answer
   x = 7,491.23