Finding the Fourth Proportional to 142,452.33, 196,587.60 and 78,791.37

Step by Step Solution

1. Step 1: Write the proportion equation
   142,452.33 : 196,587.60 = 78,791.37 : x
2. Step 2: Convert to fraction form
   142,452.33/196,587.60 = 78,791.37/x
3. Step 3: Cross multiply
   142,452.33x = 196,587.60 × 78,791.37
4. Step 4: Simplify right side
   142,452.33x = 15,489,406,329.01
5. Step 5: Solve for x
   x = 15,489,406,329.01/142,452.33
6. Step 6: Final answer
   x = 108,733.96