Finding the Fourth Proportional to 22,119.58, 30,527.55 and 13,167.13

Step by Step Solution

1. Step 1: Write the proportion equation
   22,119.58 : 30,527.55 = 13,167.13 : x
2. Step 2: Convert to fraction form
   22,119.58/30,527.55 = 13,167.13/x
3. Step 3: Cross multiply
   22,119.58x = 30,527.55 × 13,167.13
4. Step 4: Simplify right side
   22,119.58x = 401,960,219.43
5. Step 5: Solve for x
   x = 401,960,219.43/22,119.58
6. Step 6: Final answer
   x = 18,172.15