Finding the Fourth Proportional to 2,515,879.12, 3,770,668.12 and 1,981,288.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515,879.12 : 3,770,668.12 = 1,981,288.84 : x
2. Step 2: Convert to fraction form
   2,515,879.12/3,770,668.12 = 1,981,288.84/x
3. Step 3: Cross multiply
   2,515,879.12x = 3,770,668.12 × 1,981,288.84
4. Step 4: Simplify right side
   2,515,879.12x = 7,470,782,665,499.78
5. Step 5: Solve for x
   x = 7,470,782,665,499.78/2,515,879.12
6. Step 6: Final answer
   x = 2,969,452.15