Finding the Fourth Proportional to 2,419,445.78, 3,629,178.18 and 980,156.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,419,445.78 : 3,629,178.18 = 980,156.42 : x
2. Step 2: Convert to fraction form
   2,419,445.78/3,629,178.18 = 980,156.42/x
3. Step 3: Cross multiply
   2,419,445.78x = 3,629,178.18 × 980,156.42
4. Step 4: Simplify right side
   2,419,445.78x = 3,557,162,292,450.92
5. Step 5: Solve for x
   x = 3,557,162,292,450.92/2,419,445.78
6. Step 6: Final answer
   x = 1,470,238.48