Finding the Fourth Proportional to 2,085,555, 2,878,065.90 and 1,131,699

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085,555 : 2,878,065.90 = 1,131,699 : x
2. Step 2: Convert to fraction form
   2,085,555/2,878,065.90 = 1,131,699/x
3. Step 3: Cross multiply
   2,085,555x = 2,878,065.90 × 1,131,699
4. Step 4: Simplify right side
   2,085,555x = 3,257,104,300,964.10
5. Step 5: Solve for x
   x = 3,257,104,300,964.10/2,085,555
6. Step 6: Final answer
   x = 1,561,744.62