Finding the Fourth Proportional to 19,919.82, 27,488.35 and 10,968.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19,919.82 : 27,488.35 = 10,968.10 : x
2. Step 2: Convert to fraction form
   19,919.82/27,488.35 = 10,968.10/x
3. Step 3: Cross multiply
   19,919.82x = 27,488.35 × 10,968.10
4. Step 4: Simplify right side
   19,919.82x = 301,494,971.64
5. Step 5: Solve for x
   x = 301,494,971.64/19,919.82
6. Step 6: Final answer
   x = 15,135.43