Finding the Fourth Proportional to 12,069.09, 16,637.90 and 8,473.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,069.09 : 16,637.90 = 8,473.10 : x
2. Step 2: Convert to fraction form
   12,069.09/16,637.90 = 8,473.10/x
3. Step 3: Cross multiply
   12,069.09x = 16,637.90 × 8,473.10
4. Step 4: Simplify right side
   12,069.09x = 140,974,621.49
5. Step 5: Solve for x
   x = 140,974,621.49/12,069.09
6. Step 6: Final answer
   x = 11,680.63