Finding the Fourth Proportional to 20,153.96, 27,814.71 and 12,196.01

Step by Step Solution

1. Step 1: Write the proportion equation
   20,153.96 : 27,814.71 = 12,196.01 : x
2. Step 2: Convert to fraction form
   20,153.96/27,814.71 = 12,196.01/x
3. Step 3: Cross multiply
   20,153.96x = 27,814.71 × 12,196.01
4. Step 4: Simplify right side
   20,153.96x = 339,228,481.31
5. Step 5: Solve for x
   x = 339,228,481.31/20,153.96
6. Step 6: Final answer
   x = 16,831.85