Finding the Fourth Proportional to 2,851.57, 4,277.22 and 1,003.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,851.57 : 4,277.22 = 1,003.09 : x
2. Step 2: Convert to fraction form
   2,851.57/4,277.22 = 1,003.09/x
3. Step 3: Cross multiply
   2,851.57x = 4,277.22 × 1,003.09
4. Step 4: Simplify right side
   2,851.57x = 4,290,436.61
5. Step 5: Solve for x
   x = 4,290,436.61/2,851.57
6. Step 6: Final answer
   x = 1,504.59