Finding the Fourth Proportional to 822,074.58, 1,233,811.71 and 323,788.50

Step by Step Solution

1. Step 1: Write the proportion equation
   822,074.58 : 1,233,811.71 = 323,788.50 : x
2. Step 2: Convert to fraction form
   822,074.58/1,233,811.71 = 323,788.50/x
3. Step 3: Cross multiply
   822,074.58x = 1,233,811.71 × 323,788.50
4. Step 4: Simplify right side
   822,074.58x = 399,494,042,863.34
5. Step 5: Solve for x
   x = 399,494,042,863.34/822,074.58
6. Step 6: Final answer
   x = 485,958.39