Finding the Fourth Proportional to 142,614.21, 196,828.20 and 82,173.27

Step by Step Solution

1. Step 1: Write the proportion equation
   142,614.21 : 196,828.20 = 82,173.27 : x
2. Step 2: Convert to fraction form
   142,614.21/196,828.20 = 82,173.27/x
3. Step 3: Cross multiply
   142,614.21x = 196,828.20 × 82,173.27
4. Step 4: Simplify right side
   142,614.21x = 16,174,016,822.21
5. Step 5: Solve for x
   x = 16,174,016,822.21/142,614.21
6. Step 6: Final answer
   x = 113,410.98