Finding the Fourth Proportional to 12,949.68, 17,870.04 and 7,284.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,949.68 : 17,870.04 = 7,284.54 : x
2. Step 2: Convert to fraction form
   12,949.68/17,870.04 = 7,284.54/x
3. Step 3: Cross multiply
   12,949.68x = 17,870.04 × 7,284.54
4. Step 4: Simplify right side
   12,949.68x = 130,175,021.18
5. Step 5: Solve for x
   x = 130,175,021.18/12,949.68
6. Step 6: Final answer
   x = 10,052.37