Finding the Fourth Proportional to 2,271,155.52, 3,405,736.17 and 850,215.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271,155.52 : 3,405,736.17 = 850,215.05 : x
2. Step 2: Convert to fraction form
   2,271,155.52/3,405,736.17 = 850,215.05/x
3. Step 3: Cross multiply
   2,271,155.52x = 3,405,736.17 × 850,215.05
4. Step 4: Simplify right side
   2,271,155.52x = 2,895,608,131,034.68
5. Step 5: Solve for x
   x = 2,895,608,131,034.68/2,271,155.52
6. Step 6: Final answer
   x = 1,274,949.30