Finding the Fourth Proportional to 8,681.96, 13,026.58 and 5,397.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,681.96 : 13,026.58 = 5,397.82 : x
2. Step 2: Convert to fraction form
   8,681.96/13,026.58 = 5,397.82/x
3. Step 3: Cross multiply
   8,681.96x = 13,026.58 × 5,397.82
4. Step 4: Simplify right side
   8,681.96x = 70,315,134.06
5. Step 5: Solve for x
   x = 70,315,134.06/8,681.96
6. Step 6: Final answer
   x = 8,098.99