Finding the Fourth Proportional to 9,997.05, 14,997.69 and 3,757.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,997.05 : 14,997.69 = 3,757.12 : x
2. Step 2: Convert to fraction form
   9,997.05/14,997.69 = 3,757.12/x
3. Step 3: Cross multiply
   9,997.05x = 14,997.69 × 3,757.12
4. Step 4: Simplify right side
   9,997.05x = 56,348,121.05
5. Step 5: Solve for x
   x = 56,348,121.05/9,997.05
6. Step 6: Final answer
   x = 5,636.47