Finding the Fourth Proportional to 142,616.84, 213,922.38 and 49,120.52

Step by Step Solution

1. Step 1: Write the proportion equation
   142,616.84 : 213,922.38 = 49,120.52 : x
2. Step 2: Convert to fraction form
   142,616.84/213,922.38 = 49,120.52/x
3. Step 3: Cross multiply
   142,616.84x = 213,922.38 × 49,120.52
4. Step 4: Simplify right side
   142,616.84x = 10,507,978,545.24
5. Step 5: Solve for x
   x = 10,507,978,545.24/142,616.84
6. Step 6: Final answer
   x = 73,679.79