Finding the Fourth Proportional to 12,274.72, 16,939.78 and 7,241.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,274.72 : 16,939.78 = 7,241.89 : x
2. Step 2: Convert to fraction form
   12,274.72/16,939.78 = 7,241.89/x
3. Step 3: Cross multiply
   12,274.72x = 16,939.78 × 7,241.89
4. Step 4: Simplify right side
   12,274.72x = 122,676,023.38
5. Step 5: Solve for x
   x = 122,676,023.38/12,274.72
6. Step 6: Final answer
   x = 9,994.20