Finding the Fourth Proportional to 2,576,849.43, 3,864,635.47 and 870,954.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576,849.43 : 3,864,635.47 = 870,954.86 : x
2. Step 2: Convert to fraction form
   2,576,849.43/3,864,635.47 = 870,954.86/x
3. Step 3: Cross multiply
   2,576,849.43x = 3,864,635.47 × 870,954.86
4. Step 4: Simplify right side
   2,576,849.43x = 3,365,923,023,224.32
5. Step 5: Solve for x
   x = 3,365,923,023,224.32/2,576,849.43
6. Step 6: Final answer
   x = 1,306,216.42