Finding the Fourth Proportional to 16,386.94, 22,615.89 and 9,314.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,386.94 : 22,615.89 = 9,314.42 : x
2. Step 2: Convert to fraction form
   16,386.94/22,615.89 = 9,314.42/x
3. Step 3: Cross multiply
   16,386.94x = 22,615.89 × 9,314.42
4. Step 4: Simplify right side
   16,386.94x = 210,653,898.13
5. Step 5: Solve for x
   x = 210,653,898.13/16,386.94
6. Step 6: Final answer
   x = 12,854.99