Finding the Fourth Proportional to 144,857.82, 217,277.40 and 50,085.42

Step by Step Solution

1. Step 1: Write the proportion equation
   144,857.82 : 217,277.40 = 50,085.42 : x
2. Step 2: Convert to fraction form
   144,857.82/217,277.40 = 50,085.42/x
3. Step 3: Cross multiply
   144,857.82x = 217,277.40 × 50,085.42
4. Step 4: Simplify right side
   144,857.82x = 10,882,429,835.51
5. Step 5: Solve for x
   x = 10,882,429,835.51/144,857.82
6. Step 6: Final answer
   x = 75,124.90