Finding the Fourth Proportional to 12,012.48, 16,578.72 and 7,296.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,012.48 : 16,578.72 = 7,296.48 : x
2. Step 2: Convert to fraction form
   12,012.48/16,578.72 = 7,296.48/x
3. Step 3: Cross multiply
   12,012.48x = 16,578.72 × 7,296.48
4. Step 4: Simplify right side
   12,012.48x = 120,966,298.91
5. Step 5: Solve for x
   x = 120,966,298.91/12,012.48
6. Step 6: Final answer
   x = 10,070.05