Finding the Fourth Proportional to 9,440.10, 13,019.40 and 7,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,440.10 : 13,019.40 = 7,951.50 : x
2. Step 2: Convert to fraction form
   9,440.10/13,019.40 = 7,951.50/x
3. Step 3: Cross multiply
   9,440.10x = 13,019.40 × 7,951.50
4. Step 4: Simplify right side
   9,440.10x = 103,523,759.10
5. Step 5: Solve for x
   x = 103,523,759.10/9,440.10
6. Step 6: Final answer
   x = 10,966.38