Finding the Fourth Proportional to 2,085,847, 2,878,468.98 and 1,131,991

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085,847 : 2,878,468.98 = 1,131,991 : x
2. Step 2: Convert to fraction form
   2,085,847/2,878,468.98 = 1,131,991/x
3. Step 3: Cross multiply
   2,085,847x = 2,878,468.98 × 1,131,991
4. Step 4: Simplify right side
   2,085,847x = 3,258,400,979,139.18
5. Step 5: Solve for x
   x = 3,258,400,979,139.18/2,085,847
6. Step 6: Final answer
   x = 1,562,147.65