Finding the Fourth Proportional to 18,427.91, 27,647.33 and 7,328.27

Step by Step Solution

1. Step 1: Write the proportion equation
   18,427.91 : 27,647.33 = 7,328.27 : x
2. Step 2: Convert to fraction form
   18,427.91/27,647.33 = 7,328.27/x
3. Step 3: Cross multiply
   18,427.91x = 27,647.33 × 7,328.27
4. Step 4: Simplify right side
   18,427.91x = 202,607,131.50
5. Step 5: Solve for x
   x = 202,607,131.50/18,427.91
6. Step 6: Final answer
   x = 10,994.58