Finding the Fourth Proportional to 16,604.56, 22,913.60 and 9,050.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,604.56 : 22,913.60 = 9,050.72 : x
2. Step 2: Convert to fraction form
   16,604.56/22,913.60 = 9,050.72/x
3. Step 3: Cross multiply
   16,604.56x = 22,913.60 × 9,050.72
4. Step 4: Simplify right side
   16,604.56x = 207,384,535.19
5. Step 5: Solve for x
   x = 207,384,535.19/16,604.56
6. Step 6: Final answer
   x = 12,489.62