Finding the Fourth Proportional to 22,361.50, 30,858.93 and 12,425.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,361.50 : 30,858.93 = 12,425.50 : x
2. Step 2: Convert to fraction form
   22,361.50/30,858.93 = 12,425.50/x
3. Step 3: Cross multiply
   22,361.50x = 30,858.93 × 12,425.50
4. Step 4: Simplify right side
   22,361.50x = 383,437,634.72
5. Step 5: Solve for x
   x = 383,437,634.72/22,361.50
6. Step 6: Final answer
   x = 17,147.22