Finding the Fourth Proportional to 2,085,846, 2,878,467.60 and 1,131,990

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085,846 : 2,878,467.60 = 1,131,990 : x
2. Step 2: Convert to fraction form
   2,085,846/2,878,467.60 = 1,131,990/x
3. Step 3: Cross multiply
   2,085,846x = 2,878,467.60 × 1,131,990
4. Step 4: Simplify right side
   2,085,846x = 3,258,396,538,524
5. Step 5: Solve for x
   x = 3,258,396,538,524/2,085,846
6. Step 6: Final answer
   x = 1,562,146.27