Finding the Fourth Proportional to 21,692.50, 32,543.34 and 12,337

Step by Step Solution

1. Step 1: Write the proportion equation
   21,692.50 : 32,543.34 = 12,337 : x
2. Step 2: Convert to fraction form
   21,692.50/32,543.34 = 12,337/x
3. Step 3: Cross multiply
   21,692.50x = 32,543.34 × 12,337
4. Step 4: Simplify right side
   21,692.50x = 401,487,185.58
5. Step 5: Solve for x
   x = 401,487,185.58/21,692.50
6. Step 6: Final answer
   x = 18,508.11