Finding the Fourth Proportional to 22,872.40, 31,564.56 and 12,801.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,872.40 : 31,564.56 = 12,801.22 : x
2. Step 2: Convert to fraction form
   22,872.40/31,564.56 = 12,801.22/x
3. Step 3: Cross multiply
   22,872.40x = 31,564.56 × 12,801.22
4. Step 4: Simplify right side
   22,872.40x = 404,064,876.76
5. Step 5: Solve for x
   x = 404,064,876.76/22,872.40
6. Step 6: Final answer
   x = 17,666.05