Finding the Fourth Proportional to 16,066.08, 22,181.04 and 12,722.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,066.08 : 22,181.04 = 12,722.40 : x
2. Step 2: Convert to fraction form
   16,066.08/22,181.04 = 12,722.40/x
3. Step 3: Cross multiply
   16,066.08x = 22,181.04 × 12,722.40
4. Step 4: Simplify right side
   16,066.08x = 282,196,063.30
5. Step 5: Solve for x
   x = 282,196,063.30/16,066.08
6. Step 6: Final answer
   x = 17,564.71