Finding the Fourth Proportional to 139,082.04, 208,530.88 and 50,324

Step by Step Solution

1. Step 1: Write the proportion equation
   139,082.04 : 208,530.88 = 50,324 : x
2. Step 2: Convert to fraction form
   139,082.04/208,530.88 = 50,324/x
3. Step 3: Cross multiply
   139,082.04x = 208,530.88 × 50,324
4. Step 4: Simplify right side
   139,082.04x = 10,494,108,005.12
5. Step 5: Solve for x
   x = 10,494,108,005.12/139,082.04
6. Step 6: Final answer
   x = 75,452.65