Finding the Fourth Proportional to 23,827.42, 32,881.86 and 13,217.05

Step by Step Solution

1. Step 1: Write the proportion equation
   23,827.42 : 32,881.86 = 13,217.05 : x
2. Step 2: Convert to fraction form
   23,827.42/32,881.86 = 13,217.05/x
3. Step 3: Cross multiply
   23,827.42x = 32,881.86 × 13,217.05
4. Step 4: Simplify right side
   23,827.42x = 434,601,321.18
5. Step 5: Solve for x
   x = 434,601,321.18/23,827.42
6. Step 6: Final answer
   x = 18,239.54