Finding the Fourth Proportional to 22,118.34, 30,523.44 and 13,164.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,118.34 : 30,523.44 = 13,164.06 : x
2. Step 2: Convert to fraction form
   22,118.34/30,523.44 = 13,164.06/x
3. Step 3: Cross multiply
   22,118.34x = 30,523.44 × 13,164.06
4. Step 4: Simplify right side
   22,118.34x = 401,812,395.57
5. Step 5: Solve for x
   x = 401,812,395.57/22,118.34
6. Step 6: Final answer
   x = 18,166.48