Finding the Fourth Proportional to 1,595,290.57, 2,201,507.83 and 870,153.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,595,290.57 : 2,201,507.83 = 870,153.85 : x
2. Step 2: Convert to fraction form
   1,595,290.57/2,201,507.83 = 870,153.85/x
3. Step 3: Cross multiply
   1,595,290.57x = 2,201,507.83 × 870,153.85
4. Step 4: Simplify right side
   1,595,290.57x = 1,915,650,517,919.22
5. Step 5: Solve for x
   x = 1,915,650,517,919.22/1,595,290.57
6. Step 6: Final answer
   x = 1,200,816.05