Finding the Fourth Proportional to 19,967.29, 29,922.21 and 13,734.34

Step by Step Solution

1. Step 1: Write the proportion equation
   19,967.29 : 29,922.21 = 13,734.34 : x
2. Step 2: Convert to fraction form
   19,967.29/29,922.21 = 13,734.34/x
3. Step 3: Cross multiply
   19,967.29x = 29,922.21 × 13,734.34
4. Step 4: Simplify right side
   19,967.29x = 410,961,730.89
5. Step 5: Solve for x
   x = 410,961,730.89/19,967.29
6. Step 6: Final answer
   x = 20,581.75