Finding the Fourth Proportional to 11,748.06, 16,202.89 and 10,328.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,748.06 : 16,202.89 = 10,328.72 : x
2. Step 2: Convert to fraction form
   11,748.06/16,202.89 = 10,328.72/x
3. Step 3: Cross multiply
   11,748.06x = 16,202.89 × 10,328.72
4. Step 4: Simplify right side
   11,748.06x = 167,354,987.80
5. Step 5: Solve for x
   x = 167,354,987.80/11,748.06
6. Step 6: Final answer
   x = 14,245.33