Finding the Fourth Proportional to 19,824.56, 27,357.71 and 10,872.04

Step by Step Solution

1. Step 1: Write the proportion equation
   19,824.56 : 27,357.71 = 10,872.04 : x
2. Step 2: Convert to fraction form
   19,824.56/27,357.71 = 10,872.04/x
3. Step 3: Cross multiply
   19,824.56x = 27,357.71 × 10,872.04
4. Step 4: Simplify right side
   19,824.56x = 297,433,994.67
5. Step 5: Solve for x
   x = 297,433,994.67/19,824.56
6. Step 6: Final answer
   x = 15,003.31