Finding the Fourth Proportional to 22,157.27, 30,577.80 and 12,086.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,157.27 : 30,577.80 = 12,086.27 : x
2. Step 2: Convert to fraction form
   22,157.27/30,577.80 = 12,086.27/x
3. Step 3: Cross multiply
   22,157.27x = 30,577.80 × 12,086.27
4. Step 4: Simplify right side
   22,157.27x = 369,571,546.81
5. Step 5: Solve for x
   x = 369,571,546.81/22,157.27
6. Step 6: Final answer
   x = 16,679.47