Finding the Fourth Proportional to 21,671.59, 32,519.37 and 10,578.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,671.59 : 32,519.37 = 10,578.37 : x
2. Step 2: Convert to fraction form
   21,671.59/32,519.37 = 10,578.37/x
3. Step 3: Cross multiply
   21,671.59x = 32,519.37 × 10,578.37
4. Step 4: Simplify right side
   21,671.59x = 344,001,928.03
5. Step 5: Solve for x
   x = 344,001,928.03/21,671.59
6. Step 6: Final answer
   x = 15,873.41