Finding the Fourth Proportional to 22,531.27, 31,092.59 and 12,459.45

Step by Step Solution

1. Step 1: Write the proportion equation
   22,531.27 : 31,092.59 = 12,459.45 : x
2. Step 2: Convert to fraction form
   22,531.27/31,092.59 = 12,459.45/x
3. Step 3: Cross multiply
   22,531.27x = 31,092.59 × 12,459.45
4. Step 4: Simplify right side
   22,531.27x = 387,396,570.48
5. Step 5: Solve for x
   x = 387,396,570.48/22,531.27
6. Step 6: Final answer
   x = 17,193.73