Finding the Fourth Proportional to 3,002.63, 4,504.55 and 1,271.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,002.63 : 4,504.55 = 1,271.25 : x
2. Step 2: Convert to fraction form
   3,002.63/4,504.55 = 1,271.25/x
3. Step 3: Cross multiply
   3,002.63x = 4,504.55 × 1,271.25
4. Step 4: Simplify right side
   3,002.63x = 5,726,402.83
5. Step 5: Solve for x
   x = 5,726,402.83/3,002.63
6. Step 6: Final answer
   x = 1,907.13