Finding the Fourth Proportional to 143,957.12, 215,939.52 and 50,468.48

Step by Step Solution

1. Step 1: Write the proportion equation
   143,957.12 : 215,939.52 = 50,468.48 : x
2. Step 2: Convert to fraction form
   143,957.12/215,939.52 = 50,468.48/x
3. Step 3: Cross multiply
   143,957.12x = 215,939.52 × 50,468.48
4. Step 4: Simplify right side
   143,957.12x = 10,898,139,346.33
5. Step 5: Solve for x
   x = 10,898,139,346.33/143,957.12
6. Step 6: Final answer
   x = 75,704.07