Finding the Fourth Proportional to 23,274.72, 32,119.74 and 12,664.80

Step by Step Solution

1. Step 1: Write the proportion equation
   23,274.72 : 32,119.74 = 12,664.80 : x
2. Step 2: Convert to fraction form
   23,274.72/32,119.74 = 12,664.80/x
3. Step 3: Cross multiply
   23,274.72x = 32,119.74 × 12,664.80
4. Step 4: Simplify right side
   23,274.72x = 406,790,083.15
5. Step 5: Solve for x
   x = 406,790,083.15/23,274.72
6. Step 6: Final answer
   x = 17,477.76