Finding the Fourth Proportional to 13,026.84, 17,982.72 and 8,317.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,026.84 : 17,982.72 = 8,317.32 : x
2. Step 2: Convert to fraction form
   13,026.84/17,982.72 = 8,317.32/x
3. Step 3: Cross multiply
   13,026.84x = 17,982.72 × 8,317.32
4. Step 4: Simplify right side
   13,026.84x = 149,568,036.71
5. Step 5: Solve for x
   x = 149,568,036.71/13,026.84
6. Step 6: Final answer
   x = 11,481.53