Finding the Fourth Proportional to 13,096.74, 18,067.56 and 7,788.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,096.74 : 18,067.56 = 7,788.54 : x
2. Step 2: Convert to fraction form
   13,096.74/18,067.56 = 7,788.54/x
3. Step 3: Cross multiply
   13,096.74x = 18,067.56 × 7,788.54
4. Step 4: Simplify right side
   13,096.74x = 140,719,913.76
5. Step 5: Solve for x
   x = 140,719,913.76/13,096.74
6. Step 6: Final answer
   x = 10,744.65