Finding the Fourth Proportional to 21,522.57, 32,285.72 and 5,940.20

Step by Step Solution

1. Step 1: Write the proportion equation
   21,522.57 : 32,285.72 = 5,940.20 : x
2. Step 2: Convert to fraction form
   21,522.57/32,285.72 = 5,940.20/x
3. Step 3: Cross multiply
   21,522.57x = 32,285.72 × 5,940.20
4. Step 4: Simplify right side
   21,522.57x = 191,783,633.94
5. Step 5: Solve for x
   x = 191,783,633.94/21,522.57
6. Step 6: Final answer
   x = 8,910.81