Finding the Fourth Proportional to 16,354.08, 22,566.60 and 9,638.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,354.08 : 22,566.60 = 9,638.16 : x
2. Step 2: Convert to fraction form
   16,354.08/22,566.60 = 9,638.16/x
3. Step 3: Cross multiply
   16,354.08x = 22,566.60 × 9,638.16
4. Step 4: Simplify right side
   16,354.08x = 217,500,501.46
5. Step 5: Solve for x
   x = 217,500,501.46/16,354.08
6. Step 6: Final answer
   x = 13,299.46