Finding the Fourth Proportional to 22,018.68, 30,395.25 and 13,522.19

Step by Step Solution

1. Step 1: Write the proportion equation
   22,018.68 : 30,395.25 = 13,522.19 : x
2. Step 2: Convert to fraction form
   22,018.68/30,395.25 = 13,522.19/x
3. Step 3: Cross multiply
   22,018.68x = 30,395.25 × 13,522.19
4. Step 4: Simplify right side
   22,018.68x = 411,010,193.62
5. Step 5: Solve for x
   x = 411,010,193.62/22,018.68
6. Step 6: Final answer
   x = 18,666.43