Finding the Fourth Proportional to 12,754.37, 17,596.68 and 7,971.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,754.37 : 17,596.68 = 7,971.05 : x
2. Step 2: Convert to fraction form
   12,754.37/17,596.68 = 7,971.05/x
3. Step 3: Cross multiply
   12,754.37x = 17,596.68 × 7,971.05
4. Step 4: Simplify right side
   12,754.37x = 140,264,016.11
5. Step 5: Solve for x
   x = 140,264,016.11/12,754.37
6. Step 6: Final answer
   x = 10,997.33