Finding the Fourth Proportional to 20,054.88, 27,665.01 and 12,969

Step by Step Solution

1. Step 1: Write the proportion equation
   20,054.88 : 27,665.01 = 12,969 : x
2. Step 2: Convert to fraction form
   20,054.88/27,665.01 = 12,969/x
3. Step 3: Cross multiply
   20,054.88x = 27,665.01 × 12,969
4. Step 4: Simplify right side
   20,054.88x = 358,787,514.69
5. Step 5: Solve for x
   x = 358,787,514.69/20,054.88
6. Step 6: Final answer
   x = 17,890.28