Finding the Fourth Proportional to 13,038.82, 17,986.92 and 8,250.67

Step by Step Solution

1. Step 1: Write the proportion equation
   13,038.82 : 17,986.92 = 8,250.67 : x
2. Step 2: Convert to fraction form
   13,038.82/17,986.92 = 8,250.67/x
3. Step 3: Cross multiply
   13,038.82x = 17,986.92 × 8,250.67
4. Step 4: Simplify right side
   13,038.82x = 148,404,141.24
5. Step 5: Solve for x
   x = 148,404,141.24/13,038.82
6. Step 6: Final answer
   x = 11,381.72