Finding the Fourth Proportional to 139,168.46, 208,752.12 and 50,401.23

Step by Step Solution

1. Step 1: Write the proportion equation
   139,168.46 : 208,752.12 = 50,401.23 : x
2. Step 2: Convert to fraction form
   139,168.46/208,752.12 = 50,401.23/x
3. Step 3: Cross multiply
   139,168.46x = 208,752.12 × 50,401.23
4. Step 4: Simplify right side
   139,168.46x = 10,521,363,613.11
5. Step 5: Solve for x
   x = 10,521,363,613.11/139,168.46
6. Step 6: Final answer
   x = 75,601.64