Finding the Fourth Proportional to 20,127.83, 30,184.88 and 7,644.83

Step by Step Solution

1. Step 1: Write the proportion equation
   20,127.83 : 30,184.88 = 7,644.83 : x
2. Step 2: Convert to fraction form
   20,127.83/30,184.88 = 7,644.83/x
3. Step 3: Cross multiply
   20,127.83x = 30,184.88 × 7,644.83
4. Step 4: Simplify right side
   20,127.83x = 230,758,087.02
5. Step 5: Solve for x
   x = 230,758,087.02/20,127.83
6. Step 6: Final answer
   x = 11,464.63