Finding the Fourth Proportional to 7,019.80, 10,515.56 and 3,325.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,019.80 : 10,515.56 = 3,325.59 : x
2. Step 2: Convert to fraction form
   7,019.80/10,515.56 = 3,325.59/x
3. Step 3: Cross multiply
   7,019.80x = 10,515.56 × 3,325.59
4. Step 4: Simplify right side
   7,019.80x = 34,970,424.55
5. Step 5: Solve for x
   x = 34,970,424.55/7,019.80
6. Step 6: Final answer
   x = 4,981.69