Finding the Fourth Proportional to 143,630.37, 215,543.94 and 50,136.12

Step by Step Solution

1. Step 1: Write the proportion equation
   143,630.37 : 215,543.94 = 50,136.12 : x
2. Step 2: Convert to fraction form
   143,630.37/215,543.94 = 50,136.12/x
3. Step 3: Cross multiply
   143,630.37x = 215,543.94 × 50,136.12
4. Step 4: Simplify right side
   143,630.37x = 10,806,536,841.11
5. Step 5: Solve for x
   x = 10,806,536,841.11/143,630.37
6. Step 6: Final answer
   x = 75,238.52