Finding the Fourth Proportional to 19,689.05, 27,169.89 and 10,736.48

Step by Step Solution

1. Step 1: Write the proportion equation
   19,689.05 : 27,169.89 = 10,736.48 : x
2. Step 2: Convert to fraction form
   19,689.05/27,169.89 = 10,736.48/x
3. Step 3: Cross multiply
   19,689.05x = 27,169.89 × 10,736.48
4. Step 4: Simplify right side
   19,689.05x = 291,708,980.59
5. Step 5: Solve for x
   x = 291,708,980.59/19,689.05
6. Step 6: Final answer
   x = 14,815.80