Finding the Fourth Proportional to 9,002.57, 13,506.45 and 2,763.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,002.57 : 13,506.45 = 2,763.50 : x
2. Step 2: Convert to fraction form
   9,002.57/13,506.45 = 2,763.50/x
3. Step 3: Cross multiply
   9,002.57x = 13,506.45 × 2,763.50
4. Step 4: Simplify right side
   9,002.57x = 37,325,074.58
5. Step 5: Solve for x
   x = 37,325,074.58/9,002.57
6. Step 6: Final answer
   x = 4,146.05