Finding the Fourth Proportional to 21,670.82, 29,905.72 and 11,734.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,670.82 : 29,905.72 = 11,734.82 : x
2. Step 2: Convert to fraction form
   21,670.82/29,905.72 = 11,734.82/x
3. Step 3: Cross multiply
   21,670.82x = 29,905.72 × 11,734.82
4. Step 4: Simplify right side
   21,670.82x = 350,938,241.17
5. Step 5: Solve for x
   x = 350,938,241.17/21,670.82
6. Step 6: Final answer
   x = 16,194.05