Finding the Fourth Proportional to 2,075.09, 2,863.86 and 1,190.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.09 : 2,863.86 = 1,190.73 : x
2. Step 2: Convert to fraction form
   2,075.09/2,863.86 = 1,190.73/x
3. Step 3: Cross multiply
   2,075.09x = 2,863.86 × 1,190.73
4. Step 4: Simplify right side
   2,075.09x = 3,410,084.02
5. Step 5: Solve for x
   x = 3,410,084.02/2,075.09
6. Step 6: Final answer
   x = 1,643.34