Finding the Fourth Proportional to 356,389.52, 491,423.50 and 227,123.33

Step by Step Solution

1. Step 1: Write the proportion equation
   356,389.52 : 491,423.50 = 227,123.33 : x
2. Step 2: Convert to fraction form
   356,389.52/491,423.50 = 227,123.33/x
3. Step 3: Cross multiply
   356,389.52x = 491,423.50 × 227,123.33
4. Step 4: Simplify right side
   356,389.52x = 111,613,739,587.04
5. Step 5: Solve for x
   x = 111,613,739,587.04/356,389.52
6. Step 6: Final answer
   x = 313,179.08