Finding the Fourth Proportional to 543,401.31, 814,839.79 and 227,773.47

Step by Step Solution

1. Step 1: Write the proportion equation
   543,401.31 : 814,839.79 = 227,773.47 : x
2. Step 2: Convert to fraction form
   543,401.31/814,839.79 = 227,773.47/x
3. Step 3: Cross multiply
   543,401.31x = 814,839.79 × 227,773.47
4. Step 4: Simplify right side
   543,401.31x = 185,598,886,462.37
5. Step 5: Solve for x
   x = 185,598,886,462.37/543,401.31
6. Step 6: Final answer
   x = 341,550.31