Finding the Fourth Proportional to 9,383.25, 12,949.29 and 5,191.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,383.25 : 12,949.29 = 5,191.50 : x
2. Step 2: Convert to fraction form
   9,383.25/12,949.29 = 5,191.50/x
3. Step 3: Cross multiply
   9,383.25x = 12,949.29 × 5,191.50
4. Step 4: Simplify right side
   9,383.25x = 67,226,239.04
5. Step 5: Solve for x
   x = 67,226,239.04/9,383.25
6. Step 6: Final answer
   x = 7,164.49