Finding the Fourth Proportional to 22,636.35, 31,233.33 and 13,682.07

Step by Step Solution

1. Step 1: Write the proportion equation
   22,636.35 : 31,233.33 = 13,682.07 : x
2. Step 2: Convert to fraction form
   22,636.35/31,233.33 = 13,682.07/x
3. Step 3: Cross multiply
   22,636.35x = 31,233.33 × 13,682.07
4. Step 4: Simplify right side
   22,636.35x = 427,336,607.39
5. Step 5: Solve for x
   x = 427,336,607.39/22,636.35
6. Step 6: Final answer
   x = 18,878.34