Finding the Fourth Proportional to 22,881.06, 31,575.42 and 12,809.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,881.06 : 31,575.42 = 12,809.52 : x
2. Step 2: Convert to fraction form
   22,881.06/31,575.42 = 12,809.52/x
3. Step 3: Cross multiply
   22,881.06x = 31,575.42 × 12,809.52
4. Step 4: Simplify right side
   22,881.06x = 404,465,974.00
5. Step 5: Solve for x
   x = 404,465,974.00/22,881.06
6. Step 6: Final answer
   x = 17,676.89