Finding the Fourth Proportional to 142,791.48, 214,277.94 and 83,745.72

Step by Step Solution

1. Step 1: Write the proportion equation
   142,791.48 : 214,277.94 = 83,745.72 : x
2. Step 2: Convert to fraction form
   142,791.48/214,277.94 = 83,745.72/x
3. Step 3: Cross multiply
   142,791.48x = 214,277.94 × 83,745.72
4. Step 4: Simplify right side
   142,791.48x = 17,944,860,365.42
5. Step 5: Solve for x
   x = 17,944,860,365.42/142,791.48
6. Step 6: Final answer
   x = 125,671.79