Finding the Fourth Proportional to 21,974.67, 30,289.67 and 17,186.35

Step by Step Solution

1. Step 1: Write the proportion equation
   21,974.67 : 30,289.67 = 17,186.35 : x
2. Step 2: Convert to fraction form
   21,974.67/30,289.67 = 17,186.35/x
3. Step 3: Cross multiply
   21,974.67x = 30,289.67 × 17,186.35
4. Step 4: Simplify right side
   21,974.67x = 520,568,870.00
5. Step 5: Solve for x
   x = 520,568,870.00/21,974.67
6. Step 6: Final answer
   x = 23,689.50