Finding the Fourth Proportional to 20,564.22, 30,839.94 and 7,414.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,564.22 : 30,839.94 = 7,414.88 : x
2. Step 2: Convert to fraction form
   20,564.22/30,839.94 = 7,414.88/x
3. Step 3: Cross multiply
   20,564.22x = 30,839.94 × 7,414.88
4. Step 4: Simplify right side
   20,564.22x = 228,674,454.31
5. Step 5: Solve for x
   x = 228,674,454.31/20,564.22
6. Step 6: Final answer
   x = 11,120.02