Finding the Fourth Proportional to 16,290.63, 22,456.94 and 11,494.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,290.63 : 22,456.94 = 11,494.94 : x
2. Step 2: Convert to fraction form
   16,290.63/22,456.94 = 11,494.94/x
3. Step 3: Cross multiply
   16,290.63x = 22,456.94 × 11,494.94
4. Step 4: Simplify right side
   16,290.63x = 258,141,008.12
5. Step 5: Solve for x
   x = 258,141,008.12/16,290.63
6. Step 6: Final answer
   x = 15,845.98