Finding the Fourth Proportional to 326,353.59, 489,063.83 and 185,821.83

Step by Step Solution

1. Step 1: Write the proportion equation
   326,353.59 : 489,063.83 = 185,821.83 : x
2. Step 2: Convert to fraction form
   326,353.59/489,063.83 = 185,821.83/x
3. Step 3: Cross multiply
   326,353.59x = 489,063.83 × 185,821.83
4. Step 4: Simplify right side
   326,353.59x = 90,878,734,948.30
5. Step 5: Solve for x
   x = 90,878,734,948.30/326,353.59
6. Step 6: Final answer
   x = 278,467.09