Finding the Fourth Proportional to 142,736.27, 196,961.67 and 79,062.17

Step by Step Solution

1. Step 1: Write the proportion equation
   142,736.27 : 196,961.67 = 79,062.17 : x
2. Step 2: Convert to fraction form
   142,736.27/196,961.67 = 79,062.17/x
3. Step 3: Cross multiply
   142,736.27x = 196,961.67 × 79,062.17
4. Step 4: Simplify right side
   142,736.27x = 15,572,216,052.22
5. Step 5: Solve for x
   x = 15,572,216,052.22/142,736.27
6. Step 6: Final answer
   x = 109,097.82