Finding the Fourth Proportional to 21,825.21, 30,136.56 and 17,792.67

Step by Step Solution

1. Step 1: Write the proportion equation
   21,825.21 : 30,136.56 = 17,792.67 : x
2. Step 2: Convert to fraction form
   21,825.21/30,136.56 = 17,792.67/x
3. Step 3: Cross multiply
   21,825.21x = 30,136.56 × 17,792.67
4. Step 4: Simplify right side
   21,825.21x = 536,209,867.02
5. Step 5: Solve for x
   x = 536,209,867.02/21,825.21
6. Step 6: Final answer
   x = 24,568.37