Finding the Fourth Proportional to 17,636.06, 26,440.22 and 12,072.54

Step by Step Solution

1. Step 1: Write the proportion equation
   17,636.06 : 26,440.22 = 12,072.54 : x
2. Step 2: Convert to fraction form
   17,636.06/26,440.22 = 12,072.54/x
3. Step 3: Cross multiply
   17,636.06x = 26,440.22 × 12,072.54
4. Step 4: Simplify right side
   17,636.06x = 319,200,613.56
5. Step 5: Solve for x
   x = 319,200,613.56/17,636.06
6. Step 6: Final answer
   x = 18,099.32