Finding the Fourth Proportional to 22,116.67, 30,518.70 and 13,162.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,116.67 : 30,518.70 = 13,162.42 : x
2. Step 2: Convert to fraction form
   22,116.67/30,518.70 = 13,162.42/x
3. Step 3: Cross multiply
   22,116.67x = 30,518.70 × 13,162.42
4. Step 4: Simplify right side
   22,116.67x = 401,700,058.90
5. Step 5: Solve for x
   x = 401,700,058.90/22,116.67
6. Step 6: Final answer
   x = 18,162.77