Finding the Fourth Proportional to 12,015.94, 16,578.93 and 7,300.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,015.94 : 16,578.93 = 7,300.30 : x
2. Step 2: Convert to fraction form
   12,015.94/16,578.93 = 7,300.30/x
3. Step 3: Cross multiply
   12,015.94x = 16,578.93 × 7,300.30
4. Step 4: Simplify right side
   12,015.94x = 121,031,162.68
5. Step 5: Solve for x
   x = 121,031,162.68/12,015.94
6. Step 6: Final answer
   x = 10,072.55