Finding the Fourth Proportional to 12,013.57, 16,574.33 and 7,535.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,013.57 : 16,574.33 = 7,535.69 : x
2. Step 2: Convert to fraction form
   12,013.57/16,574.33 = 7,535.69/x
3. Step 3: Cross multiply
   12,013.57x = 16,574.33 × 7,535.69
4. Step 4: Simplify right side
   12,013.57x = 124,899,012.84
5. Step 5: Solve for x
   x = 124,899,012.84/12,013.57
6. Step 6: Final answer
   x = 10,396.49