Finding the Fourth Proportional to 3,607,782.72, 4,978,729.20 and 2,079,876.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,607,782.72 : 4,978,729.20 = 2,079,876.48 : x
2. Step 2: Convert to fraction form
   3,607,782.72/4,978,729.20 = 2,079,876.48/x
3. Step 3: Cross multiply
   3,607,782.72x = 4,978,729.20 × 2,079,876.48
4. Step 4: Simplify right side
   3,607,782.72x = 10,355,141,763,369.22
5. Step 5: Solve for x
   x = 10,355,141,763,369.22/3,607,782.72
6. Step 6: Final answer
   x = 2,870,223.23