Finding the Fourth Proportional to 23,781.37, 32,815.63 and 13,168.34

Step by Step Solution

1. Step 1: Write the proportion equation
   23,781.37 : 32,815.63 = 13,168.34 : x
2. Step 2: Convert to fraction form
   23,781.37/32,815.63 = 13,168.34/x
3. Step 3: Cross multiply
   23,781.37x = 32,815.63 × 13,168.34
4. Step 4: Simplify right side
   23,781.37x = 432,127,373.15
5. Step 5: Solve for x
   x = 432,127,373.15/23,781.37
6. Step 6: Final answer
   x = 18,170.84