Finding the Fourth Proportional to 1,075.28, 1,601.98 and 995.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.28 : 1,601.98 = 995.09 : x
2. Step 2: Convert to fraction form
   1,075.28/1,601.98 = 995.09/x
3. Step 3: Cross multiply
   1,075.28x = 1,601.98 × 995.09
4. Step 4: Simplify right side
   1,075.28x = 1,594,103.78
5. Step 5: Solve for x
   x = 1,594,103.78/1,075.28
6. Step 6: Final answer
   x = 1,482.51