Finding the Fourth Proportional to 21,520.57, 32,282.72 and 5,938.20

Step by Step Solution

1. Step 1: Write the proportion equation
   21,520.57 : 32,282.72 = 5,938.20 : x
2. Step 2: Convert to fraction form
   21,520.57/32,282.72 = 5,938.20/x
3. Step 3: Cross multiply
   21,520.57x = 32,282.72 × 5,938.20
4. Step 4: Simplify right side
   21,520.57x = 191,701,247.90
5. Step 5: Solve for x
   x = 191,701,247.90/21,520.57
6. Step 6: Final answer
   x = 8,907.81