Finding the Fourth Proportional to 9,383.44, 12,949.55 and 5,191.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,383.44 : 12,949.55 = 5,191.69 : x
2. Step 2: Convert to fraction form
   9,383.44/12,949.55 = 5,191.69/x
3. Step 3: Cross multiply
   9,383.44x = 12,949.55 × 5,191.69
4. Step 4: Simplify right side
   9,383.44x = 67,230,010.38
5. Step 5: Solve for x
   x = 67,230,010.38/9,383.44
6. Step 6: Final answer
   x = 7,164.75