Finding the Fourth Proportional to 143,661.28, 215,590.38 and 50,167.03

Step by Step Solution

1. Step 1: Write the proportion equation
   143,661.28 : 215,590.38 = 50,167.03 : x
2. Step 2: Convert to fraction form
   143,661.28/215,590.38 = 50,167.03/x
3. Step 3: Cross multiply
   143,661.28x = 215,590.38 × 50,167.03
4. Step 4: Simplify right side
   143,661.28x = 10,815,529,061.17
5. Step 5: Solve for x
   x = 10,815,529,061.17/143,661.28
6. Step 6: Final answer
   x = 75,284.93