Finding the Fourth Proportional to 142,751.78, 214,127.82 and 42,911.96

Step by Step Solution

1. Step 1: Write the proportion equation
   142,751.78 : 214,127.82 = 42,911.96 : x
2. Step 2: Convert to fraction form
   142,751.78/214,127.82 = 42,911.96/x
3. Step 3: Cross multiply
   142,751.78x = 214,127.82 × 42,911.96
4. Step 4: Simplify right side
   142,751.78x = 9,188,644,446.73
5. Step 5: Solve for x
   x = 9,188,644,446.73/142,751.78
6. Step 6: Final answer
   x = 64,367.99