Finding the Fourth Proportional to 142,716.81, 196,854.27 and 91,793.98

Step by Step Solution

1. Step 1: Write the proportion equation
   142,716.81 : 196,854.27 = 91,793.98 : x
2. Step 2: Convert to fraction form
   142,716.81/196,854.27 = 91,793.98/x
3. Step 3: Cross multiply
   142,716.81x = 196,854.27 × 91,793.98
4. Step 4: Simplify right side
   142,716.81x = 18,070,036,923.29
5. Step 5: Solve for x
   x = 18,070,036,923.29/142,716.81
6. Step 6: Final answer
   x = 126,614.64