Finding the Fourth Proportional to 23,253.72, 32,090.94 and 12,644.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,253.72 : 32,090.94 = 12,644.16 : x
2. Step 2: Convert to fraction form
   23,253.72/32,090.94 = 12,644.16/x
3. Step 3: Cross multiply
   23,253.72x = 32,090.94 × 12,644.16
4. Step 4: Simplify right side
   23,253.72x = 405,762,979.91
5. Step 5: Solve for x
   x = 405,762,979.91/23,253.72
6. Step 6: Final answer
   x = 17,449.38