Finding the Fourth Proportional to 2,856,826.16, 4,285,156.20 and 835,117.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,856,826.16 : 4,285,156.20 = 835,117.57 : x
2. Step 2: Convert to fraction form
   2,856,826.16/4,285,156.20 = 835,117.57/x
3. Step 3: Cross multiply
   2,856,826.16x = 4,285,156.20 × 835,117.57
4. Step 4: Simplify right side
   2,856,826.16x = 3,578,609,222,101.54
5. Step 5: Solve for x
   x = 3,578,609,222,101.54/2,856,826.16
6. Step 6: Final answer
   x = 1,252,652.08