Finding the Fourth Proportional to 142,710.25, 196,940.16 and 79,052.17

Step by Step Solution

1. Step 1: Write the proportion equation
   142,710.25 : 196,940.16 = 79,052.17 : x
2. Step 2: Convert to fraction form
   142,710.25/196,940.16 = 79,052.17/x
3. Step 3: Cross multiply
   142,710.25x = 196,940.16 × 79,052.17
4. Step 4: Simplify right side
   142,710.25x = 15,568,547,008.15
5. Step 5: Solve for x
   x = 15,568,547,008.15/142,710.25
6. Step 6: Final answer
   x = 109,092.00