Finding the Fourth Proportional to 21,372.09, 32,061.78 and 6,578.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,372.09 : 32,061.78 = 6,578.25 : x
2. Step 2: Convert to fraction form
   21,372.09/32,061.78 = 6,578.25/x
3. Step 3: Cross multiply
   21,372.09x = 32,061.78 × 6,578.25
4. Step 4: Simplify right side
   21,372.09x = 210,910,404.29
5. Step 5: Solve for x
   x = 210,910,404.29/21,372.09
6. Step 6: Final answer
   x = 9,868.50