Finding the Fourth Proportional to 8,682.03, 13,019.15 and 5,173.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,682.03 : 13,019.15 = 5,173.69 : x
2. Step 2: Convert to fraction form
   8,682.03/13,019.15 = 5,173.69/x
3. Step 3: Cross multiply
   8,682.03x = 13,019.15 × 5,173.69
4. Step 4: Simplify right side
   8,682.03x = 67,357,046.16
5. Step 5: Solve for x
   x = 67,357,046.16/8,682.03
6. Step 6: Final answer
   x = 7,758.21