Finding the Fourth Proportional to 12,076.48, 16,665.72 and 7,040.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,076.48 : 16,665.72 = 7,040.56 : x
2. Step 2: Convert to fraction form
   12,076.48/16,665.72 = 7,040.56/x
3. Step 3: Cross multiply
   12,076.48x = 16,665.72 × 7,040.56
4. Step 4: Simplify right side
   12,076.48x = 117,336,001.60
5. Step 5: Solve for x
   x = 117,336,001.60/12,076.48
6. Step 6: Final answer
   x = 9,716.08