Finding the Fourth Proportional to 143,618.04, 215,525.46 and 50,123.79

Step by Step Solution

1. Step 1: Write the proportion equation
   143,618.04 : 215,525.46 = 50,123.79 : x
2. Step 2: Convert to fraction form
   143,618.04/215,525.46 = 50,123.79/x
3. Step 3: Cross multiply
   143,618.04x = 215,525.46 × 50,123.79
4. Step 4: Simplify right side
   143,618.04x = 10,802,952,896.69
5. Step 5: Solve for x
   x = 10,802,952,896.69/143,618.04
6. Step 6: Final answer
   x = 75,220.03