Finding the Fourth Proportional to 22,116.45, 30,518.69 and 13,162.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,116.45 : 30,518.69 = 13,162.52 : x
2. Step 2: Convert to fraction form
   22,116.45/30,518.69 = 13,162.52/x
3. Step 3: Cross multiply
   22,116.45x = 30,518.69 × 13,162.52
4. Step 4: Simplify right side
   22,116.45x = 401,702,649.09
5. Step 5: Solve for x
   x = 401,702,649.09/22,116.45
6. Step 6: Final answer
   x = 18,163.07