Finding the Fourth Proportional to 19,886.82, 27,443.82 and 10,934.28

Step by Step Solution

1. Step 1: Write the proportion equation
   19,886.82 : 27,443.82 = 10,934.28 : x
2. Step 2: Convert to fraction form
   19,886.82/27,443.82 = 10,934.28/x
3. Step 3: Cross multiply
   19,886.82x = 27,443.82 × 10,934.28
4. Step 4: Simplify right side
   19,886.82x = 300,078,412.15
5. Step 5: Solve for x
   x = 300,078,412.15/19,886.82
6. Step 6: Final answer
   x = 15,089.31