Finding the Fourth Proportional to 142,715.81, 196,852.89 and 91,792.98

Step by Step Solution

1. Step 1: Write the proportion equation
   142,715.81 : 196,852.89 = 91,792.98 : x
2. Step 2: Convert to fraction form
   142,715.81/196,852.89 = 91,792.98/x
3. Step 3: Cross multiply
   142,715.81x = 196,852.89 × 91,792.98
4. Step 4: Simplify right side
   142,715.81x = 18,069,713,394.71
5. Step 5: Solve for x
   x = 18,069,713,394.71/142,715.81
6. Step 6: Final answer
   x = 126,613.26