Finding the Fourth Proportional to 21,538.69, 32,294.81 and 8,375.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,538.69 : 32,294.81 = 8,375.72 : x
2. Step 2: Convert to fraction form
   21,538.69/32,294.81 = 8,375.72/x
3. Step 3: Cross multiply
   21,538.69x = 32,294.81 × 8,375.72
4. Step 4: Simplify right side
   21,538.69x = 270,492,286.01
5. Step 5: Solve for x
   x = 270,492,286.01/21,538.69
6. Step 6: Final answer
   x = 12,558.44