Finding the Fourth Proportional to 143,621.59, 215,530.82 and 50,127.34

Step by Step Solution

1. Step 1: Write the proportion equation
   143,621.59 : 215,530.82 = 50,127.34 : x
2. Step 2: Convert to fraction form
   143,621.59/215,530.82 = 50,127.34/x
3. Step 3: Cross multiply
   143,621.59x = 215,530.82 × 50,127.34
4. Step 4: Simplify right side
   143,621.59x = 10,803,986,694.62
5. Step 5: Solve for x
   x = 10,803,986,694.62/143,621.59
6. Step 6: Final answer
   x = 75,225.37