Finding the Fourth Proportional to 9,274.89, 13,930.63 and 7,969.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,274.89 : 13,930.63 = 7,969.31 : x
2. Step 2: Convert to fraction form
   9,274.89/13,930.63 = 7,969.31/x
3. Step 3: Cross multiply
   9,274.89x = 13,930.63 × 7,969.31
4. Step 4: Simplify right side
   9,274.89x = 111,017,494.06
5. Step 5: Solve for x
   x = 111,017,494.06/9,274.89
6. Step 6: Final answer
   x = 11,969.68