Finding the Fourth Proportional to 2,763,692.72, 4,145,687.58 and 870,582.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,763,692.72 : 4,145,687.58 = 870,582.32 : x
2. Step 2: Convert to fraction form
   2,763,692.72/4,145,687.58 = 870,582.32/x
3. Step 3: Cross multiply
   2,763,692.72x = 4,145,687.58 × 870,582.32
4. Step 4: Simplify right side
   2,763,692.72x = 3,609,162,311,391.59
5. Step 5: Solve for x
   x = 3,609,162,311,391.59/2,763,692.72
6. Step 6: Final answer
   x = 1,305,920.26