Finding the Fourth Proportional to 13,404.92, 18,496.10 and 8,100.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,404.92 : 18,496.10 = 8,100.03 : x
2. Step 2: Convert to fraction form
   13,404.92/18,496.10 = 8,100.03/x
3. Step 3: Cross multiply
   13,404.92x = 18,496.10 × 8,100.03
4. Step 4: Simplify right side
   13,404.92x = 149,818,924.38
5. Step 5: Solve for x
   x = 149,818,924.38/13,404.92
6. Step 6: Final answer
   x = 11,176.41