Finding the Fourth Proportional to 2,570,672.43, 3,856,340.34 and 864,079.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570,672.43 : 3,856,340.34 = 864,079.79 : x
2. Step 2: Convert to fraction form
   2,570,672.43/3,856,340.34 = 864,079.79/x
3. Step 3: Cross multiply
   2,570,672.43x = 3,856,340.34 × 864,079.79
4. Step 4: Simplify right side
   2,570,672.43x = 3,332,185,731,874.03
5. Step 5: Solve for x
   x = 3,332,185,731,874.03/2,570,672.43
6. Step 6: Final answer
   x = 1,296,231.17