Finding the Fourth Proportional to 143,566.50, 215,351.58 and 50,072.25

Step by Step Solution

1. Step 1: Write the proportion equation
   143,566.50 : 215,351.58 = 50,072.25 : x
2. Step 2: Convert to fraction form
   143,566.50/215,351.58 = 50,072.25/x
3. Step 3: Cross multiply
   143,566.50x = 215,351.58 × 50,072.25
4. Step 4: Simplify right side
   143,566.50x = 10,783,138,151.66
5. Step 5: Solve for x
   x = 10,783,138,151.66/143,566.50
6. Step 6: Final answer
   x = 75,109.01