Finding the Fourth Proportional to 7,040.54, 10,555.83 and 3,528.04

Step by Step Solution

1. Step 1: Write the proportion equation
   7,040.54 : 10,555.83 = 3,528.04 : x
2. Step 2: Convert to fraction form
   7,040.54/10,555.83 = 3,528.04/x
3. Step 3: Cross multiply
   7,040.54x = 10,555.83 × 3,528.04
4. Step 4: Simplify right side
   7,040.54x = 37,241,390.47
5. Step 5: Solve for x
   x = 37,241,390.47/7,040.54
6. Step 6: Final answer
   x = 5,289.56