Finding the Fourth Proportional to 1,504.27, 2,075.55 and 874.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,504.27 : 2,075.55 = 874.42 : x
2. Step 2: Convert to fraction form
   1,504.27/2,075.55 = 874.42/x
3. Step 3: Cross multiply
   1,504.27x = 2,075.55 × 874.42
4. Step 4: Simplify right side
   1,504.27x = 1,814,902.43
5. Step 5: Solve for x
   x = 1,814,902.43/1,504.27
6. Step 6: Final answer
   x = 1,206.50