Finding the Fourth Proportional to 12,059.72, 16,648.04 and 9,076.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,059.72 : 16,648.04 = 9,076.64 : x
2. Step 2: Convert to fraction form
   12,059.72/16,648.04 = 9,076.64/x
3. Step 3: Cross multiply
   12,059.72x = 16,648.04 × 9,076.64
4. Step 4: Simplify right side
   12,059.72x = 151,108,265.79
5. Step 5: Solve for x
   x = 151,108,265.79/12,059.72
6. Step 6: Final answer
   x = 12,530.00