Finding the Fourth Proportional to 309,834.24, 427,229.73 and 214,174.86

Step by Step Solution

1. Step 1: Write the proportion equation
   309,834.24 : 427,229.73 = 214,174.86 : x
2. Step 2: Convert to fraction form
   309,834.24/427,229.73 = 214,174.86/x
3. Step 3: Cross multiply
   309,834.24x = 427,229.73 × 214,174.86
4. Step 4: Simplify right side
   309,834.24x = 91,501,867,610.59
5. Step 5: Solve for x
   x = 91,501,867,610.59/309,834.24
6. Step 6: Final answer
   x = 295,325.23