Finding the Fourth Proportional to 19,689.30, 27,171.25 and 10,736.82

Step by Step Solution

1. Step 1: Write the proportion equation
   19,689.30 : 27,171.25 = 10,736.82 : x
2. Step 2: Convert to fraction form
   19,689.30/27,171.25 = 10,736.82/x
3. Step 3: Cross multiply
   19,689.30x = 27,171.25 × 10,736.82
4. Step 4: Simplify right side
   19,689.30x = 291,732,793.58
5. Step 5: Solve for x
   x = 291,732,793.58/19,689.30
6. Step 6: Final answer
   x = 14,816.82