Finding the Fourth Proportional to 21,849.82, 32,699.43 and 13,410.73

Step by Step Solution

1. Step 1: Write the proportion equation
   21,849.82 : 32,699.43 = 13,410.73 : x
2. Step 2: Convert to fraction form
   21,849.82/32,699.43 = 13,410.73/x
3. Step 3: Cross multiply
   21,849.82x = 32,699.43 × 13,410.73
4. Step 4: Simplify right side
   21,849.82x = 438,523,063.39
5. Step 5: Solve for x
   x = 438,523,063.39/21,849.82
6. Step 6: Final answer
   x = 20,069.88