Finding the Fourth Proportional to 443,945.76, 612,495.23 and 252,823.83

Step by Step Solution

1. Step 1: Write the proportion equation
   443,945.76 : 612,495.23 = 252,823.83 : x
2. Step 2: Convert to fraction form
   443,945.76/612,495.23 = 252,823.83/x
3. Step 3: Cross multiply
   443,945.76x = 612,495.23 × 252,823.83
4. Step 4: Simplify right side
   443,945.76x = 154,853,386,210.80
5. Step 5: Solve for x
   x = 154,853,386,210.80/443,945.76
6. Step 6: Final answer
   x = 348,811.50