Finding the Fourth Proportional to 3,776.42, 5,664.18 and 1,003.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,776.42 : 5,664.18 = 1,003.28 : x
2. Step 2: Convert to fraction form
   3,776.42/5,664.18 = 1,003.28/x
3. Step 3: Cross multiply
   3,776.42x = 5,664.18 × 1,003.28
4. Step 4: Simplify right side
   3,776.42x = 5,682,730.19
5. Step 5: Solve for x
   x = 5,682,730.19/3,776.42
6. Step 6: Final answer
   x = 1,504.79