Finding the Fourth Proportional to 142,719.18, 214,103.52 and 47,958.62

Step by Step Solution

1. Step 1: Write the proportion equation
   142,719.18 : 214,103.52 = 47,958.62 : x
2. Step 2: Convert to fraction form
   142,719.18/214,103.52 = 47,958.62/x
3. Step 3: Cross multiply
   142,719.18x = 214,103.52 × 47,958.62
4. Step 4: Simplify right side
   142,719.18x = 10,268,108,285.82
5. Step 5: Solve for x
   x = 10,268,108,285.82/142,719.18
6. Step 6: Final answer
   x = 71,946.24