Finding the Fourth Proportional to 8,729.59, 13,100.25 and 8,697.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,729.59 : 13,100.25 = 8,697.48 : x
2. Step 2: Convert to fraction form
   8,729.59/13,100.25 = 8,697.48/x
3. Step 3: Cross multiply
   8,729.59x = 13,100.25 × 8,697.48
4. Step 4: Simplify right side
   8,729.59x = 113,939,162.37
5. Step 5: Solve for x
   x = 113,939,162.37/8,729.59
6. Step 6: Final answer
   x = 13,052.06