Finding the Fourth Proportional to 142,829.42, 197,104.56 and 79,167.02

Step by Step Solution

1. Step 1: Write the proportion equation
   142,829.42 : 197,104.56 = 79,167.02 : x
2. Step 2: Convert to fraction form
   142,829.42/197,104.56 = 79,167.02/x
3. Step 3: Cross multiply
   142,829.42x = 197,104.56 × 79,167.02
4. Step 4: Simplify right side
   142,829.42x = 15,604,180,643.61
5. Step 5: Solve for x
   x = 15,604,180,643.61/142,829.42
6. Step 6: Final answer
   x = 109,250.47