Finding the Fourth Proportional to 16,452.32, 22,704.10 and 9,378.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,452.32 : 22,704.10 = 9,378.59 : x
2. Step 2: Convert to fraction form
   16,452.32/22,704.10 = 9,378.59/x
3. Step 3: Cross multiply
   16,452.32x = 22,704.10 × 9,378.59
4. Step 4: Simplify right side
   16,452.32x = 212,932,308.25
5. Step 5: Solve for x
   x = 212,932,308.25/16,452.32
6. Step 6: Final answer
   x = 12,942.39