Finding the Fourth Proportional to 17,127.72, 23,626.08 and 12,663

Step by Step Solution

1. Step 1: Write the proportion equation
   17,127.72 : 23,626.08 = 12,663 : x
2. Step 2: Convert to fraction form
   17,127.72/23,626.08 = 12,663/x
3. Step 3: Cross multiply
   17,127.72x = 23,626.08 × 12,663
4. Step 4: Simplify right side
   17,127.72x = 299,177,051.04
5. Step 5: Solve for x
   x = 299,177,051.04/17,127.72
6. Step 6: Final answer
   x = 17,467.42