Finding the Fourth Proportional to 21,983.50, 30,337.23 and 12,047.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,983.50 : 30,337.23 = 12,047.50 : x
2. Step 2: Convert to fraction form
   21,983.50/30,337.23 = 12,047.50/x
3. Step 3: Cross multiply
   21,983.50x = 30,337.23 × 12,047.50
4. Step 4: Simplify right side
   21,983.50x = 365,487,778.43
5. Step 5: Solve for x
   x = 365,487,778.43/21,983.50
6. Step 6: Final answer
   x = 16,625.55