Finding the Fourth Proportional to 20,103.37, 30,150.95 and 7,619.10

Step by Step Solution

1. Step 1: Write the proportion equation
   20,103.37 : 30,150.95 = 7,619.10 : x
2. Step 2: Convert to fraction form
   20,103.37/30,150.95 = 7,619.10/x
3. Step 3: Cross multiply
   20,103.37x = 30,150.95 × 7,619.10
4. Step 4: Simplify right side
   20,103.37x = 229,723,103.15
5. Step 5: Solve for x
   x = 229,723,103.15/20,103.37
6. Step 6: Final answer
   x = 11,427.09