Finding the Fourth Proportional to 11,969.69, 17,946.43 and 4,174.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,969.69 : 17,946.43 = 4,174.25 : x
2. Step 2: Convert to fraction form
   11,969.69/17,946.43 = 4,174.25/x
3. Step 3: Cross multiply
   11,969.69x = 17,946.43 × 4,174.25
4. Step 4: Simplify right side
   11,969.69x = 74,912,885.43
5. Step 5: Solve for x
   x = 74,912,885.43/11,969.69
6. Step 6: Final answer
   x = 6,258.55