Finding the Fourth Proportional to 12,683.82, 17,520.41 and 9,736.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,683.82 : 17,520.41 = 9,736.08 : x
2. Step 2: Convert to fraction form
   12,683.82/17,520.41 = 9,736.08/x
3. Step 3: Cross multiply
   12,683.82x = 17,520.41 × 9,736.08
4. Step 4: Simplify right side
   12,683.82x = 170,580,064.71
5. Step 5: Solve for x
   x = 170,580,064.71/12,683.82
6. Step 6: Final answer
   x = 13,448.63