Finding the Fourth Proportional to 143,937.93, 215,906.91 and 50,443.68

Step by Step Solution

1. Step 1: Write the proportion equation
   143,937.93 : 215,906.91 = 50,443.68 : x
2. Step 2: Convert to fraction form
   143,937.93/215,906.91 = 50,443.68/x
3. Step 3: Cross multiply
   143,937.93x = 215,906.91 × 50,443.68
4. Step 4: Simplify right side
   143,937.93x = 10,891,139,077.83
5. Step 5: Solve for x
   x = 10,891,139,077.83/143,937.93
6. Step 6: Final answer
   x = 75,665.53