Finding the Fourth Proportional to 142,735.42, 196,960.53 and 79,061.32

Step by Step Solution

1. Step 1: Write the proportion equation
   142,735.42 : 196,960.53 = 79,061.32 : x
2. Step 2: Convert to fraction form
   142,735.42/196,960.53 = 79,061.32/x
3. Step 3: Cross multiply
   142,735.42x = 196,960.53 × 79,061.32
4. Step 4: Simplify right side
   142,735.42x = 15,571,959,587.66
5. Step 5: Solve for x
   x = 15,571,959,587.66/142,735.42
6. Step 6: Final answer
   x = 109,096.67