Finding the Fourth Proportional to 13,922.37, 20,845.89 and 10,196.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,922.37 : 20,845.89 = 10,196.37 : x
2. Step 2: Convert to fraction form
   13,922.37/20,845.89 = 10,196.37/x
3. Step 3: Cross multiply
   13,922.37x = 20,845.89 × 10,196.37
4. Step 4: Simplify right side
   13,922.37x = 212,552,407.42
5. Step 5: Solve for x
   x = 212,552,407.42/13,922.37
6. Step 6: Final answer
   x = 15,266.97