Finding the Fourth Proportional to 142,763.72, 214,179.62 and 49,270.28

Step by Step Solution

1. Step 1: Write the proportion equation
   142,763.72 : 214,179.62 = 49,270.28 : x
2. Step 2: Convert to fraction form
   142,763.72/214,179.62 = 49,270.28/x
3. Step 3: Cross multiply
   142,763.72x = 214,179.62 × 49,270.28
4. Step 4: Simplify right side
   142,763.72x = 10,552,689,847.69
5. Step 5: Solve for x
   x = 10,552,689,847.69/142,763.72
6. Step 6: Final answer
   x = 73,917.17