Finding the Fourth Proportional to 16,584.17, 22,886.69 and 9,414.11

Step by Step Solution

1. Step 1: Write the proportion equation
   16,584.17 : 22,886.69 = 9,414.11 : x
2. Step 2: Convert to fraction form
   16,584.17/22,886.69 = 9,414.11/x
3. Step 3: Cross multiply
   16,584.17x = 22,886.69 × 9,414.11
4. Step 4: Simplify right side
   16,584.17x = 215,457,827.34
5. Step 5: Solve for x
   x = 215,457,827.34/16,584.17
6. Step 6: Final answer
   x = 12,991.78