Finding the Fourth Proportional to 7,017.63, 10,517.34 and 2,852.80

Step by Step Solution

1. Step 1: Write the proportion equation
   7,017.63 : 10,517.34 = 2,852.80 : x
2. Step 2: Convert to fraction form
   7,017.63/10,517.34 = 2,852.80/x
3. Step 3: Cross multiply
   7,017.63x = 10,517.34 × 2,852.80
4. Step 4: Simplify right side
   7,017.63x = 30,003,867.55
5. Step 5: Solve for x
   x = 30,003,867.55/7,017.63
6. Step 6: Final answer
   x = 4,275.50