Finding the Fourth Proportional to 13,404.99, 18,498.87 and 8,098.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,404.99 : 18,498.87 = 8,098.82 : x
2. Step 2: Convert to fraction form
   13,404.99/18,498.87 = 8,098.82/x
3. Step 3: Cross multiply
   13,404.99x = 18,498.87 × 8,098.82
4. Step 4: Simplify right side
   13,404.99x = 149,819,018.33
5. Step 5: Solve for x
   x = 149,819,018.33/13,404.99
6. Step 6: Final answer
   x = 11,176.36