Finding the Fourth Proportional to 13,499.59, 18,629.73 and 8,193.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,499.59 : 18,629.73 = 8,193.82 : x
2. Step 2: Convert to fraction form
   13,499.59/18,629.73 = 8,193.82/x
3. Step 3: Cross multiply
   13,499.59x = 18,629.73 × 8,193.82
4. Step 4: Simplify right side
   13,499.59x = 152,648,654.27
5. Step 5: Solve for x
   x = 152,648,654.27/13,499.59
6. Step 6: Final answer
   x = 11,307.65