Finding the Fourth Proportional to 21,452.82, 32,187.33 and 8,981.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,452.82 : 32,187.33 = 8,981.25 : x
2. Step 2: Convert to fraction form
   21,452.82/32,187.33 = 8,981.25/x
3. Step 3: Cross multiply
   21,452.82x = 32,187.33 × 8,981.25
4. Step 4: Simplify right side
   21,452.82x = 289,082,457.56
5. Step 5: Solve for x
   x = 289,082,457.56/21,452.82
6. Step 6: Final answer
   x = 13,475.27