Finding the Fourth Proportional to 11,730.16, 16,185.72 and 7,256.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,730.16 : 16,185.72 = 7,256.89 : x
2. Step 2: Convert to fraction form
   11,730.16/16,185.72 = 7,256.89/x
3. Step 3: Cross multiply
   11,730.16x = 16,185.72 × 7,256.89
4. Step 4: Simplify right side
   11,730.16x = 117,457,989.61
5. Step 5: Solve for x
   x = 117,457,989.61/11,730.16
6. Step 6: Final answer
   x = 10,013.33