Finding the Fourth Proportional to 143,802.72, 215,557.20 and 50,231.52

Step by Step Solution

1. Step 1: Write the proportion equation
   143,802.72 : 215,557.20 = 50,231.52 : x
2. Step 2: Convert to fraction form
   143,802.72/215,557.20 = 50,231.52/x
3. Step 3: Cross multiply
   143,802.72x = 215,557.20 × 50,231.52
4. Step 4: Simplify right side
   143,802.72x = 10,827,765,802.94
5. Step 5: Solve for x
   x = 10,827,765,802.94/143,802.72
6. Step 6: Final answer
   x = 75,295.97