Finding the Fourth Proportional to 22,433.82, 33,613.53 and 13,642.14

Step by Step Solution

1. Step 1: Write the proportion equation
   22,433.82 : 33,613.53 = 13,642.14 : x
2. Step 2: Convert to fraction form
   22,433.82/33,613.53 = 13,642.14/x
3. Step 3: Cross multiply
   22,433.82x = 33,613.53 × 13,642.14
4. Step 4: Simplify right side
   22,433.82x = 458,560,482.15
5. Step 5: Solve for x
   x = 458,560,482.15/22,433.82
6. Step 6: Final answer
   x = 20,440.59