Finding the Fourth Proportional to 9,383.82, 12,934.76 and 7,391.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,383.82 : 12,934.76 = 7,391.22 : x
2. Step 2: Convert to fraction form
   9,383.82/12,934.76 = 7,391.22/x
3. Step 3: Cross multiply
   9,383.82x = 12,934.76 × 7,391.22
4. Step 4: Simplify right side
   9,383.82x = 95,603,656.81
5. Step 5: Solve for x
   x = 95,603,656.81/9,383.82
6. Step 6: Final answer
   x = 10,188.14