Finding the Fourth Proportional to 20,100.29, 30,150.88 and 7,626.18

Step by Step Solution

1. Step 1: Write the proportion equation
   20,100.29 : 30,150.88 = 7,626.18 : x
2. Step 2: Convert to fraction form
   20,100.29/30,150.88 = 7,626.18/x
3. Step 3: Cross multiply
   20,100.29x = 30,150.88 × 7,626.18
4. Step 4: Simplify right side
   20,100.29x = 229,936,174.94
5. Step 5: Solve for x
   x = 229,936,174.94/20,100.29
6. Step 6: Final answer
   x = 11,439.45