Finding the Fourth Proportional to 22,099.42, 30,527.04 and 20,524.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,099.42 : 30,527.04 = 20,524.78 : x
2. Step 2: Convert to fraction form
   22,099.42/30,527.04 = 20,524.78/x
3. Step 3: Cross multiply
   22,099.42x = 30,527.04 × 20,524.78
4. Step 4: Simplify right side
   22,099.42x = 626,560,780.05
5. Step 5: Solve for x
   x = 626,560,780.05/22,099.42
6. Step 6: Final answer
   x = 28,351.91