Finding the Fourth Proportional to 23,730.78, 32,747.68 and 13,118.96

Step by Step Solution

1. Step 1: Write the proportion equation
   23,730.78 : 32,747.68 = 13,118.96 : x
2. Step 2: Convert to fraction form
   23,730.78/32,747.68 = 13,118.96/x
3. Step 3: Cross multiply
   23,730.78x = 32,747.68 × 13,118.96
4. Step 4: Simplify right side
   23,730.78x = 429,615,504.01
5. Step 5: Solve for x
   x = 429,615,504.01/23,730.78
6. Step 6: Final answer
   x = 18,103.72