Finding the Fourth Proportional to 142,253.28, 196,062.72 and 103,950.24

Step by Step Solution

1. Step 1: Write the proportion equation
   142,253.28 : 196,062.72 = 103,950.24 : x
2. Step 2: Convert to fraction form
   142,253.28/196,062.72 = 103,950.24/x
3. Step 3: Cross multiply
   142,253.28x = 196,062.72 × 103,950.24
4. Step 4: Simplify right side
   142,253.28x = 20,380,766,799.05
5. Step 5: Solve for x
   x = 20,380,766,799.05/142,253.28
6. Step 6: Final answer
   x = 143,270.98