Finding the Fourth Proportional to 142,933.14, 197,244.72 and 79,269.57

Step by Step Solution

1. Step 1: Write the proportion equation
   142,933.14 : 197,244.72 = 79,269.57 : x
2. Step 2: Convert to fraction form
   142,933.14/197,244.72 = 79,269.57/x
3. Step 3: Cross multiply
   142,933.14x = 197,244.72 × 79,269.57
4. Step 4: Simplify right side
   142,933.14x = 15,635,504,139.17
5. Step 5: Solve for x
   x = 15,635,504,139.17/142,933.14
6. Step 6: Final answer
   x = 109,390.34