Finding the Fourth Proportional to 142,949.78, 214,355.34 and 43,091.36

Step by Step Solution

1. Step 1: Write the proportion equation
   142,949.78 : 214,355.34 = 43,091.36 : x
2. Step 2: Convert to fraction form
   142,949.78/214,355.34 = 43,091.36/x
3. Step 3: Cross multiply
   142,949.78x = 214,355.34 × 43,091.36
4. Step 4: Simplify right side
   142,949.78x = 9,236,863,123.86
5. Step 5: Solve for x
   x = 9,236,863,123.86/142,949.78
6. Step 6: Final answer
   x = 64,616.14