Finding the Fourth Proportional to 13,038.26, 17,986.17 and 8,250.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,038.26 : 17,986.17 = 8,250.15 : x
2. Step 2: Convert to fraction form
   13,038.26/17,986.17 = 8,250.15/x
3. Step 3: Cross multiply
   13,038.26x = 17,986.17 × 8,250.15
4. Step 4: Simplify right side
   13,038.26x = 148,388,559.17
5. Step 5: Solve for x
   x = 148,388,559.17/13,038.26
6. Step 6: Final answer
   x = 11,381.01