Finding the Fourth Proportional to 23,827.18, 32,881.27 and 13,216.54

Step by Step Solution

1. Step 1: Write the proportion equation
   23,827.18 : 32,881.27 = 13,216.54 : x
2. Step 2: Convert to fraction form
   23,827.18/32,881.27 = 13,216.54/x
3. Step 3: Cross multiply
   23,827.18x = 32,881.27 × 13,216.54
4. Step 4: Simplify right side
   23,827.18x = 434,576,389.72
5. Step 5: Solve for x
   x = 434,576,389.72/23,827.18
6. Step 6: Final answer
   x = 18,238.69