Finding the Fourth Proportional to 143,624.28, 215,339.22 and 50,079

Step by Step Solution

1. Step 1: Write the proportion equation
   143,624.28 : 215,339.22 = 50,079 : x
2. Step 2: Convert to fraction form
   143,624.28/215,339.22 = 50,079/x
3. Step 3: Cross multiply
   143,624.28x = 215,339.22 × 50,079
4. Step 4: Simplify right side
   143,624.28x = 10,783,972,798.38
5. Step 5: Solve for x
   x = 10,783,972,798.38/143,624.28
6. Step 6: Final answer
   x = 75,084.61