Finding the Fourth Proportional to 22,881.29, 31,575.98 and 12,809.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,881.29 : 31,575.98 = 12,809.62 : x
2. Step 2: Convert to fraction form
   22,881.29/31,575.98 = 12,809.62/x
3. Step 3: Cross multiply
   22,881.29x = 31,575.98 × 12,809.62
4. Step 4: Simplify right side
   22,881.29x = 404,476,083.00
5. Step 5: Solve for x
   x = 404,476,083.00/22,881.29
6. Step 6: Final answer
   x = 17,677.15