Finding the Fourth Proportional to 8,149.72, 12,268.81 and 7,303

Step by Step Solution

1. Step 1: Write the proportion equation
   8,149.72 : 12,268.81 = 7,303 : x
2. Step 2: Convert to fraction form
   8,149.72/12,268.81 = 7,303/x
3. Step 3: Cross multiply
   8,149.72x = 12,268.81 × 7,303
4. Step 4: Simplify right side
   8,149.72x = 89,599,119.43
5. Step 5: Solve for x
   x = 89,599,119.43/8,149.72
6. Step 6: Final answer
   x = 10,994.13