Finding the Fourth Proportional to 8,969.50, 13,454.23 and 3,122

Step by Step Solution

1. Step 1: Write the proportion equation
   8,969.50 : 13,454.23 = 3,122 : x
2. Step 2: Convert to fraction form
   8,969.50/13,454.23 = 3,122/x
3. Step 3: Cross multiply
   8,969.50x = 13,454.23 × 3,122
4. Step 4: Simplify right side
   8,969.50x = 42,004,106.06
5. Step 5: Solve for x
   x = 42,004,106.06/8,969.50
6. Step 6: Final answer
   x = 4,682.99