Finding the Fourth Proportional to 22,509.05, 31,062.56 and 12,437.46

Step by Step Solution

1. Step 1: Write the proportion equation
   22,509.05 : 31,062.56 = 12,437.46 : x
2. Step 2: Convert to fraction form
   22,509.05/31,062.56 = 12,437.46/x
3. Step 3: Cross multiply
   22,509.05x = 31,062.56 × 12,437.46
4. Step 4: Simplify right side
   22,509.05x = 386,339,285.31
5. Step 5: Solve for x
   x = 386,339,285.31/22,509.05
6. Step 6: Final answer
   x = 17,163.74