Finding the Fourth Proportional to 7,693.30, 11,535.34 and 3,528.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,693.30 : 11,535.34 = 3,528.09 : x
2. Step 2: Convert to fraction form
   7,693.30/11,535.34 = 3,528.09/x
3. Step 3: Cross multiply
   7,693.30x = 11,535.34 × 3,528.09
4. Step 4: Simplify right side
   7,693.30x = 40,697,765.37
5. Step 5: Solve for x
   x = 40,697,765.37/7,693.30
6. Step 6: Final answer
   x = 5,290.02