Finding the Fourth Proportional to 2,085,643, 2,878,187.34 and 1,131,787

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085,643 : 2,878,187.34 = 1,131,787 : x
2. Step 2: Convert to fraction form
   2,085,643/2,878,187.34 = 1,131,787/x
3. Step 3: Cross multiply
   2,085,643x = 2,878,187.34 × 1,131,787
4. Step 4: Simplify right side
   2,085,643x = 3,257,495,014,976.58
5. Step 5: Solve for x
   x = 3,257,495,014,976.58/2,085,643
6. Step 6: Final answer
   x = 1,561,866.06