Finding the Fourth Proportional to 142,972.57, 214,389.37 and 43,114.15

Step by Step Solution

1. Step 1: Write the proportion equation
   142,972.57 : 214,389.37 = 43,114.15 : x
2. Step 2: Convert to fraction form
   142,972.57/214,389.37 = 43,114.15/x
3. Step 3: Cross multiply
   142,972.57x = 214,389.37 × 43,114.15
4. Step 4: Simplify right side
   142,972.57x = 9,243,215,456.59
5. Step 5: Solve for x
   x = 9,243,215,456.59/142,972.57
6. Step 6: Final answer
   x = 64,650.27