Finding the Fourth Proportional to 2,223,198.78, 3,068,049.60 and 1,243,247.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223,198.78 : 3,068,049.60 = 1,243,247.82 : x
2. Step 2: Convert to fraction form
   2,223,198.78/3,068,049.60 = 1,243,247.82/x
3. Step 3: Cross multiply
   2,223,198.78x = 3,068,049.60 × 1,243,247.82
4. Step 4: Simplify right side
   2,223,198.78x = 3,814,345,976,851.87
5. Step 5: Solve for x
   x = 3,814,345,976,851.87/2,223,198.78
6. Step 6: Final answer
   x = 1,715,701.72