Finding the Fourth Proportional to 2,634,906.47, 3,949,309.25 and 1,211,976.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,634,906.47 : 3,949,309.25 = 1,211,976.23 : x
2. Step 2: Convert to fraction form
   2,634,906.47/3,949,309.25 = 1,211,976.23/x
3. Step 3: Cross multiply
   2,634,906.47x = 3,949,309.25 × 1,211,976.23
4. Step 4: Simplify right side
   2,634,906.47x = 4,786,468,929,859.25
5. Step 5: Solve for x
   x = 4,786,468,929,859.25/2,634,906.47
6. Step 6: Final answer
   x = 1,816,561.23