Finding the Fourth Proportional to 140,709.72, 211,007.88 and 50,726.82

Step by Step Solution

1. Step 1: Write the proportion equation
   140,709.72 : 211,007.88 = 50,726.82 : x
2. Step 2: Convert to fraction form
   140,709.72/211,007.88 = 50,726.82/x
3. Step 3: Cross multiply
   140,709.72x = 211,007.88 × 50,726.82
4. Step 4: Simplify right side
   140,709.72x = 10,703,758,747.34
5. Step 5: Solve for x
   x = 10,703,758,747.34/140,709.72
6. Step 6: Final answer
   x = 76,069.79