Finding the Fourth Proportional to 23,827.89, 32,881.02 and 13,217.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,827.89 : 32,881.02 = 13,217.31 : x
2. Step 2: Convert to fraction form
   23,827.89/32,881.02 = 13,217.31/x
3. Step 3: Cross multiply
   23,827.89x = 32,881.02 × 13,217.31
4. Step 4: Simplify right side
   23,827.89x = 434,598,634.46
5. Step 5: Solve for x
   x = 434,598,634.46/23,827.89
6. Step 6: Final answer
   x = 18,239.07