Finding the Fourth Proportional to 20,086.22, 30,120.69 and 7,604.06

Step by Step Solution

1. Step 1: Write the proportion equation
   20,086.22 : 30,120.69 = 7,604.06 : x
2. Step 2: Convert to fraction form
   20,086.22/30,120.69 = 7,604.06/x
3. Step 3: Cross multiply
   20,086.22x = 30,120.69 × 7,604.06
4. Step 4: Simplify right side
   20,086.22x = 229,039,534.00
5. Step 5: Solve for x
   x = 229,039,534.00/20,086.22
6. Step 6: Final answer
   x = 11,402.82