Finding the Fourth Proportional to 22,361.72, 30,858.51 and 12,801.29

Step by Step Solution

1. Step 1: Write the proportion equation
   22,361.72 : 30,858.51 = 12,801.29 : x
2. Step 2: Convert to fraction form
   22,361.72/30,858.51 = 12,801.29/x
3. Step 3: Cross multiply
   22,361.72x = 30,858.51 × 12,801.29
4. Step 4: Simplify right side
   22,361.72x = 395,028,735.48
5. Step 5: Solve for x
   x = 395,028,735.48/22,361.72
6. Step 6: Final answer
   x = 17,665.40