Finding the Fourth Proportional to 22,609.50, 31,201.49 and 12,538.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,609.50 : 31,201.49 = 12,538.37 : x
2. Step 2: Convert to fraction form
   22,609.50/31,201.49 = 12,538.37/x
3. Step 3: Cross multiply
   22,609.50x = 31,201.49 × 12,538.37
4. Step 4: Simplify right side
   22,609.50x = 391,215,607.47
5. Step 5: Solve for x
   x = 391,215,607.47/22,609.50
6. Step 6: Final answer
   x = 17,303.15