Finding the Fourth Proportional to 271,222.30, 406,537.89 and 231,659.38

Step by Step Solution

1. Step 1: Write the proportion equation
   271,222.30 : 406,537.89 = 231,659.38 : x
2. Step 2: Convert to fraction form
   271,222.30/406,537.89 = 231,659.38/x
3. Step 3: Cross multiply
   271,222.30x = 406,537.89 × 231,659.38
4. Step 4: Simplify right side
   271,222.30x = 94,178,315,543.91
5. Step 5: Solve for x
   x = 94,178,315,543.91/271,222.30
6. Step 6: Final answer
   x = 347,236.62