Finding the Fourth Proportional to 142,404.67, 196,517.93 and 80,310.23

Step by Step Solution

1. Step 1: Write the proportion equation
   142,404.67 : 196,517.93 = 80,310.23 : x
2. Step 2: Convert to fraction form
   142,404.67/196,517.93 = 80,310.23/x
3. Step 3: Cross multiply
   142,404.67x = 196,517.93 × 80,310.23
4. Step 4: Simplify right side
   142,404.67x = 15,782,399,476.00
5. Step 5: Solve for x
   x = 15,782,399,476.00/142,404.67
6. Step 6: Final answer
   x = 110,827.82