Finding the Fourth Proportional to 21,168.01, 29,211.60 and 11,736.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,168.01 : 29,211.60 = 11,736.37 : x
2. Step 2: Convert to fraction form
   21,168.01/29,211.60 = 11,736.37/x
3. Step 3: Cross multiply
   21,168.01x = 29,211.60 × 11,736.37
4. Step 4: Simplify right side
   21,168.01x = 342,838,145.89
5. Step 5: Solve for x
   x = 342,838,145.89/21,168.01
6. Step 6: Final answer
   x = 16,196.05