Finding the Fourth Proportional to 21,588.52, 32,379 and 8,441.32

Step by Step Solution

1. Step 1: Write the proportion equation
   21,588.52 : 32,379 = 8,441.32 : x
2. Step 2: Convert to fraction form
   21,588.52/32,379 = 8,441.32/x
3. Step 3: Cross multiply
   21,588.52x = 32,379 × 8,441.32
4. Step 4: Simplify right side
   21,588.52x = 273,321,500.28
5. Step 5: Solve for x
   x = 273,321,500.28/21,588.52
6. Step 6: Final answer
   x = 12,660.50