Finding the Fourth Proportional to 21,824.72, 32,715.16 and 7,022.76

Step by Step Solution

1. Step 1: Write the proportion equation
   21,824.72 : 32,715.16 = 7,022.76 : x
2. Step 2: Convert to fraction form
   21,824.72/32,715.16 = 7,022.76/x
3. Step 3: Cross multiply
   21,824.72x = 32,715.16 × 7,022.76
4. Step 4: Simplify right side
   21,824.72x = 229,750,717.04
5. Step 5: Solve for x
   x = 229,750,717.04/21,824.72
6. Step 6: Final answer
   x = 10,527.09