Finding the Fourth Proportional to 139,974.30, 209,961.18 and 34,793.37

Step by Step Solution

1. Step 1: Write the proportion equation
   139,974.30 : 209,961.18 = 34,793.37 : x
2. Step 2: Convert to fraction form
   139,974.30/209,961.18 = 34,793.37/x
3. Step 3: Cross multiply
   139,974.30x = 209,961.18 × 34,793.37
4. Step 4: Simplify right side
   139,974.30x = 7,305,257,021.38
5. Step 5: Solve for x
   x = 7,305,257,021.38/139,974.30
6. Step 6: Final answer
   x = 52,189.99