Finding the Fourth Proportional to 12,004.12, 16,556.16 and 7,288.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,004.12 : 16,556.16 = 7,288.30 : x
2. Step 2: Convert to fraction form
   12,004.12/16,556.16 = 7,288.30/x
3. Step 3: Cross multiply
   12,004.12x = 16,556.16 × 7,288.30
4. Step 4: Simplify right side
   12,004.12x = 120,666,260.93
5. Step 5: Solve for x
   x = 120,666,260.93/12,004.12
6. Step 6: Final answer
   x = 10,052.07