Finding the Fourth Proportional to 2,870,309.72, 4,305,621.72 and 1,164,199.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870,309.72 : 4,305,621.72 = 1,164,199.70 : x
2. Step 2: Convert to fraction form
   2,870,309.72/4,305,621.72 = 1,164,199.70/x
3. Step 3: Cross multiply
   2,870,309.72x = 4,305,621.72 × 1,164,199.70
4. Step 4: Simplify right side
   2,870,309.72x = 5,012,603,514,737.48
5. Step 5: Solve for x
   x = 5,012,603,514,737.48/2,870,309.72
6. Step 6: Final answer
   x = 1,746,363.29