Finding the Fourth Proportional to 995,793.55, 1,493,651.34 and 285,821.33

Step by Step Solution

1. Step 1: Write the proportion equation
   995,793.55 : 1,493,651.34 = 285,821.33 : x
2. Step 2: Convert to fraction form
   995,793.55/1,493,651.34 = 285,821.33/x
3. Step 3: Cross multiply
   995,793.55x = 1,493,651.34 × 285,821.33
4. Step 4: Simplify right side
   995,793.55x = 426,917,405,086.83
5. Step 5: Solve for x
   x = 426,917,405,086.83/995,793.55
6. Step 6: Final answer
   x = 428,720.80