Finding the Fourth Proportional to 11,952.56, 16,494.72 and 6,647.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,952.56 : 16,494.72 = 6,647.60 : x
2. Step 2: Convert to fraction form
   11,952.56/16,494.72 = 6,647.60/x
3. Step 3: Cross multiply
   11,952.56x = 16,494.72 × 6,647.60
4. Step 4: Simplify right side
   11,952.56x = 109,650,300.67
5. Step 5: Solve for x
   x = 109,650,300.67/11,952.56
6. Step 6: Final answer
   x = 9,173.79