Finding the Fourth Proportional to 22,881.33, 31,576.77 and 12,809.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,881.33 : 31,576.77 = 12,809.52 : x
2. Step 2: Convert to fraction form
   22,881.33/31,576.77 = 12,809.52/x
3. Step 3: Cross multiply
   22,881.33x = 31,576.77 × 12,809.52
4. Step 4: Simplify right side
   22,881.33x = 404,483,266.85
5. Step 5: Solve for x
   x = 404,483,266.85/22,881.33
6. Step 6: Final answer
   x = 17,677.44