Finding the Fourth Proportional to 13,404.46, 18,498.18 and 8,098.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,404.46 : 18,498.18 = 8,098.30 : x
2. Step 2: Convert to fraction form
   13,404.46/18,498.18 = 8,098.30/x
3. Step 3: Cross multiply
   13,404.46x = 18,498.18 × 8,098.30
4. Step 4: Simplify right side
   13,404.46x = 149,803,811.09
5. Step 5: Solve for x
   x = 149,803,811.09/13,404.46
6. Step 6: Final answer
   x = 11,175.67