Finding the Fourth Proportional to 142,906.44, 214,369.38 and 49,419.48

Step by Step Solution

1. Step 1: Write the proportion equation
   142,906.44 : 214,369.38 = 49,419.48 : x
2. Step 2: Convert to fraction form
   142,906.44/214,369.38 = 49,419.48/x
3. Step 3: Cross multiply
   142,906.44x = 214,369.38 × 49,419.48
4. Step 4: Simplify right side
   142,906.44x = 10,594,023,287.52
5. Step 5: Solve for x
   x = 10,594,023,287.52/142,906.44
6. Step 6: Final answer
   x = 74,132.58