Finding the Fourth Proportional to 22,567.05, 31,132.88 and 13,609.46

Step by Step Solution

1. Step 1: Write the proportion equation
   22,567.05 : 31,132.88 = 13,609.46 : x
2. Step 2: Convert to fraction form
   22,567.05/31,132.88 = 13,609.46/x
3. Step 3: Cross multiply
   22,567.05x = 31,132.88 × 13,609.46
4. Step 4: Simplify right side
   22,567.05x = 423,701,685.04
5. Step 5: Solve for x
   x = 423,701,685.04/22,567.05
6. Step 6: Final answer
   x = 18,775.24