Finding the Fourth Proportional to 2,131,359, 3,198,616.56 and 1,009,431.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,359 : 3,198,616.56 = 1,009,431.24 : x
2. Step 2: Convert to fraction form
   2,131,359/3,198,616.56 = 1,009,431.24/x
3. Step 3: Cross multiply
   2,131,359x = 3,198,616.56 × 1,009,431.24
4. Step 4: Simplify right side
   2,131,359x = 3,228,783,480,445.33
5. Step 5: Solve for x
   x = 3,228,783,480,445.33/2,131,359
6. Step 6: Final answer
   x = 1,514,894.24