Finding the Fourth Proportional to 11,408.38, 17,105.16 and 7,500.94

Step by Step Solution

1. Step 1: Write the proportion equation
   11,408.38 : 17,105.16 = 7,500.94 : x
2. Step 2: Convert to fraction form
   11,408.38/17,105.16 = 7,500.94/x
3. Step 3: Cross multiply
   11,408.38x = 17,105.16 × 7,500.94
4. Step 4: Simplify right side
   11,408.38x = 128,304,778.85
5. Step 5: Solve for x
   x = 128,304,778.85/11,408.38
6. Step 6: Final answer
   x = 11,246.54