Finding the Fourth Proportional to 22,361.22, 30,858.38 and 12,801.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,361.22 : 30,858.38 = 12,801.06 : x
2. Step 2: Convert to fraction form
   22,361.22/30,858.38 = 12,801.06/x
3. Step 3: Cross multiply
   22,361.22x = 30,858.38 × 12,801.06
4. Step 4: Simplify right side
   22,361.22x = 395,019,973.88
5. Step 5: Solve for x
   x = 395,019,973.88/22,361.22
6. Step 6: Final answer
   x = 17,665.40