Finding the Fourth Proportional to 12,745.92, 17,597.94 and 9,756.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,745.92 : 17,597.94 = 9,756.42 : x
2. Step 2: Convert to fraction form
   12,745.92/17,597.94 = 9,756.42/x
3. Step 3: Cross multiply
   12,745.92x = 17,597.94 × 9,756.42
4. Step 4: Simplify right side
   12,745.92x = 171,692,893.77
5. Step 5: Solve for x
   x = 171,692,893.77/12,745.92
6. Step 6: Final answer
   x = 13,470.42