Finding the Fourth Proportional to 9,012.09, 13,519.95 and 3,169.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,012.09 : 13,519.95 = 3,169.15 : x
2. Step 2: Convert to fraction form
   9,012.09/13,519.95 = 3,169.15/x
3. Step 3: Cross multiply
   9,012.09x = 13,519.95 × 3,169.15
4. Step 4: Simplify right side
   9,012.09x = 42,846,749.54
5. Step 5: Solve for x
   x = 42,846,749.54/9,012.09
6. Step 6: Final answer
   x = 4,754.36