Finding the Fourth Proportional to 22,019.43, 30,396.29 and 13,522.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,019.43 : 30,396.29 = 13,522.94 : x
2. Step 2: Convert to fraction form
   22,019.43/30,396.29 = 13,522.94/x
3. Step 3: Cross multiply
   22,019.43x = 30,396.29 × 13,522.94
4. Step 4: Simplify right side
   22,019.43x = 411,046,986.30
5. Step 5: Solve for x
   x = 411,046,986.30/22,019.43
6. Step 6: Final answer
   x = 18,667.47