Finding the Fourth Proportional to 543,456.56, 814,922.58 and 227,828.72

Step by Step Solution

1. Step 1: Write the proportion equation
   543,456.56 : 814,922.58 = 227,828.72 : x
2. Step 2: Convert to fraction form
   543,456.56/814,922.58 = 227,828.72/x
3. Step 3: Cross multiply
   543,456.56x = 814,922.58 × 227,828.72
4. Step 4: Simplify right side
   543,456.56x = 185,662,768,300.50
5. Step 5: Solve for x
   x = 185,662,768,300.50/543,456.56
6. Step 6: Final answer
   x = 341,633.13