Finding the Fourth Proportional to 8,534.65, 12,793.37 and 3,530.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,534.65 : 12,793.37 = 3,530.12 : x
2. Step 2: Convert to fraction form
   8,534.65/12,793.37 = 3,530.12/x
3. Step 3: Cross multiply
   8,534.65x = 12,793.37 × 3,530.12
4. Step 4: Simplify right side
   8,534.65x = 45,162,049.69
5. Step 5: Solve for x
   x = 45,162,049.69/8,534.65
6. Step 6: Final answer
   x = 5,291.61