Finding the Fourth Proportional to 21,520.82, 32,280.40 and 5,938.04

Step by Step Solution

1. Step 1: Write the proportion equation
   21,520.82 : 32,280.40 = 5,938.04 : x
2. Step 2: Convert to fraction form
   21,520.82/32,280.40 = 5,938.04/x
3. Step 3: Cross multiply
   21,520.82x = 32,280.40 × 5,938.04
4. Step 4: Simplify right side
   21,520.82x = 191,682,306.42
5. Step 5: Solve for x
   x = 191,682,306.42/21,520.82
6. Step 6: Final answer
   x = 8,906.83