Finding the Fourth Proportional to 23,254.39, 32,090.88 and 12,644.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,254.39 : 32,090.88 = 12,644.10 : x
2. Step 2: Convert to fraction form
   23,254.39/32,090.88 = 12,644.10/x
3. Step 3: Cross multiply
   23,254.39x = 32,090.88 × 12,644.10
4. Step 4: Simplify right side
   23,254.39x = 405,760,343.22
5. Step 5: Solve for x
   x = 405,760,343.22/23,254.39
6. Step 6: Final answer
   x = 17,448.76