Finding the Fourth Proportional to 143,783.34, 215,771.00 and 50,289.09

Step by Step Solution

1. Step 1: Write the proportion equation
   143,783.34 : 215,771.00 = 50,289.09 : x
2. Step 2: Convert to fraction form
   143,783.34/215,771.00 = 50,289.09/x
3. Step 3: Cross multiply
   143,783.34x = 215,771.00 × 50,289.09
4. Step 4: Simplify right side
   143,783.34x = 10,850,926,986.94
5. Step 5: Solve for x
   x = 10,850,926,986.94/143,783.34
6. Step 6: Final answer
   x = 75,467.21