Finding the Fourth Proportional to 8,679.96, 13,023.59 and 5,395.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,679.96 : 13,023.59 = 5,395.82 : x
2. Step 2: Convert to fraction form
   8,679.96/13,023.59 = 5,395.82/x
3. Step 3: Cross multiply
   8,679.96x = 13,023.59 × 5,395.82
4. Step 4: Simplify right side
   8,679.96x = 70,272,855.30
5. Step 5: Solve for x
   x = 70,272,855.30/8,679.96
6. Step 6: Final answer
   x = 8,095.99