Finding the Fourth Proportional to 22,333.50, 30,820.23 and 12,397.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,333.50 : 30,820.23 = 12,397.50 : x
2. Step 2: Convert to fraction form
   22,333.50/30,820.23 = 12,397.50/x
3. Step 3: Cross multiply
   22,333.50x = 30,820.23 × 12,397.50
4. Step 4: Simplify right side
   22,333.50x = 382,093,801.43
5. Step 5: Solve for x
   x = 382,093,801.43/22,333.50
6. Step 6: Final answer
   x = 17,108.55