Finding the Fourth Proportional to 23,248.63, 32,083.13 and 12,638.27

Step by Step Solution

1. Step 1: Write the proportion equation
   23,248.63 : 32,083.13 = 12,638.27 : x
2. Step 2: Convert to fraction form
   23,248.63/32,083.13 = 12,638.27/x
3. Step 3: Cross multiply
   23,248.63x = 32,083.13 × 12,638.27
4. Step 4: Simplify right side
   23,248.63x = 405,475,259.39
5. Step 5: Solve for x
   x = 405,475,259.39/23,248.63
6. Step 6: Final answer
   x = 17,440.82