Finding the Fourth Proportional to 9,451.72, 14,178.23 and 3,209.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,451.72 : 14,178.23 = 3,209.18 : x
2. Step 2: Convert to fraction form
   9,451.72/14,178.23 = 3,209.18/x
3. Step 3: Cross multiply
   9,451.72x = 14,178.23 × 3,209.18
4. Step 4: Simplify right side
   9,451.72x = 45,500,476.11
5. Step 5: Solve for x
   x = 45,500,476.11/9,451.72
6. Step 6: Final answer
   x = 4,813.99