Finding the Fourth Proportional to 2,722.03, 4,082.77 and 874.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,722.03 : 4,082.77 = 874.47 : x
2. Step 2: Convert to fraction form
   2,722.03/4,082.77 = 874.47/x
3. Step 3: Cross multiply
   2,722.03x = 4,082.77 × 874.47
4. Step 4: Simplify right side
   2,722.03x = 3,570,255.51
5. Step 5: Solve for x
   x = 3,570,255.51/2,722.03
6. Step 6: Final answer
   x = 1,311.62