Finding the Fourth Proportional to 12,675.87, 17,489.75 and 7,367.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,675.87 : 17,489.75 = 7,367.49 : x
2. Step 2: Convert to fraction form
   12,675.87/17,489.75 = 7,367.49/x
3. Step 3: Cross multiply
   12,675.87x = 17,489.75 × 7,367.49
4. Step 4: Simplify right side
   12,675.87x = 128,855,521.39
5. Step 5: Solve for x
   x = 128,855,521.39/12,675.87
6. Step 6: Final answer
   x = 10,165.42