Finding the Fourth Proportional to 22,509.06, 31,061.85 and 12,437.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,509.06 : 31,061.85 = 12,437.34 : x
2. Step 2: Convert to fraction form
   22,509.06/31,061.85 = 12,437.34/x
3. Step 3: Cross multiply
   22,509.06x = 31,061.85 × 12,437.34
4. Step 4: Simplify right side
   22,509.06x = 386,326,789.48
5. Step 5: Solve for x
   x = 386,326,789.48/22,509.06
6. Step 6: Final answer
   x = 17,163.17