Finding the Fourth Proportional to 16,368.56, 22,588.72 and 8,916.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,368.56 : 22,588.72 = 8,916.56 : x
2. Step 2: Convert to fraction form
   16,368.56/22,588.72 = 8,916.56/x
3. Step 3: Cross multiply
   16,368.56x = 22,588.72 × 8,916.56
4. Step 4: Simplify right side
   16,368.56x = 201,413,677.20
5. Step 5: Solve for x
   x = 201,413,677.20/16,368.56
6. Step 6: Final answer
   x = 12,304.91