Finding the Fourth Proportional to 9,530.64, 14,183.46 and 9,180.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,530.64 : 14,183.46 = 9,180.72 : x
2. Step 2: Convert to fraction form
   9,530.64/14,183.46 = 9,180.72/x
3. Step 3: Cross multiply
   9,530.64x = 14,183.46 × 9,180.72
4. Step 4: Simplify right side
   9,530.64x = 130,214,374.89
5. Step 5: Solve for x
   x = 130,214,374.89/9,530.64
6. Step 6: Final answer
   x = 13,662.71