Finding the Fourth Proportional to 21,367.86, 32,057.82 and 7,329.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,367.86 : 32,057.82 = 7,329.72 : x
2. Step 2: Convert to fraction form
   21,367.86/32,057.82 = 7,329.72/x
3. Step 3: Cross multiply
   21,367.86x = 32,057.82 × 7,329.72
4. Step 4: Simplify right side
   21,367.86x = 234,974,844.41
5. Step 5: Solve for x
   x = 234,974,844.41/21,367.86
6. Step 6: Final answer
   x = 10,996.65