Finding the Fourth Proportional to 8,144.72, 12,212.52 and 2,597.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,144.72 : 12,212.52 = 2,597.06 : x
2. Step 2: Convert to fraction form
   8,144.72/12,212.52 = 2,597.06/x
3. Step 3: Cross multiply
   8,144.72x = 12,212.52 × 2,597.06
4. Step 4: Simplify right side
   8,144.72x = 31,716,647.19
5. Step 5: Solve for x
   x = 31,716,647.19/8,144.72
6. Step 6: Final answer
   x = 3,894.14