Finding the Fourth Proportional to 2,419,431.98, 3,629,157.47 and 980,142.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,419,431.98 : 3,629,157.47 = 980,142.61 : x
2. Step 2: Convert to fraction form
   2,419,431.98/3,629,157.47 = 980,142.61/x
3. Step 3: Cross multiply
   2,419,431.98x = 3,629,157.47 × 980,142.61
4. Step 4: Simplify right side
   2,419,431.98x = 3,557,091,874,746.80
5. Step 5: Solve for x
   x = 3,557,091,874,746.80/2,419,431.98
6. Step 6: Final answer
   x = 1,470,217.76