Finding the Fourth Proportional to 1,859.07, 2,563.88 and 1,150.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,859.07 : 2,563.88 = 1,150.80 : x
2. Step 2: Convert to fraction form
   1,859.07/2,563.88 = 1,150.80/x
3. Step 3: Cross multiply
   1,859.07x = 2,563.88 × 1,150.80
4. Step 4: Simplify right side
   1,859.07x = 2,950,513.10
5. Step 5: Solve for x
   x = 2,950,513.10/1,859.07
6. Step 6: Final answer
   x = 1,587.09