Finding the Fourth Proportional to 11,749.38, 16,209.72 and 7,500.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,749.38 : 16,209.72 = 7,500.60 : x
2. Step 2: Convert to fraction form
   11,749.38/16,209.72 = 7,500.60/x
3. Step 3: Cross multiply
   11,749.38x = 16,209.72 × 7,500.60
4. Step 4: Simplify right side
   11,749.38x = 121,582,625.83
5. Step 5: Solve for x
   x = 121,582,625.83/11,749.38
6. Step 6: Final answer
   x = 10,348.00