Finding the Fourth Proportional to 22,881.08, 31,573.28 and 12,808.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,881.08 : 31,573.28 = 12,808.12 : x
2. Step 2: Convert to fraction form
   22,881.08/31,573.28 = 12,808.12/x
3. Step 3: Cross multiply
   22,881.08x = 31,573.28 × 12,808.12
4. Step 4: Simplify right side
   22,881.08x = 404,394,359.03
5. Step 5: Solve for x
   x = 404,394,359.03/22,881.08
6. Step 6: Final answer
   x = 17,673.74