Finding the Fourth Proportional to 2,756,770.37, 4,135,414.89 and 811,500.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,756,770.37 : 4,135,414.89 = 811,500.23 : x
2. Step 2: Convert to fraction form
   2,756,770.37/4,135,414.89 = 811,500.23/x
3. Step 3: Cross multiply
   2,756,770.37x = 4,135,414.89 × 811,500.23
4. Step 4: Simplify right side
   2,756,770.37x = 3,355,890,134,380.43
5. Step 5: Solve for x
   x = 3,355,890,134,380.43/2,756,770.37
6. Step 6: Final answer
   x = 1,217,326.68