Finding the Fourth Proportional to 10,109.53, 13,951.81 and 6,960.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,109.53 : 13,951.81 = 6,960.25 : x
2. Step 2: Convert to fraction form
   10,109.53/13,951.81 = 6,960.25/x
3. Step 3: Cross multiply
   10,109.53x = 13,951.81 × 6,960.25
4. Step 4: Simplify right side
   10,109.53x = 97,108,085.55
5. Step 5: Solve for x
   x = 97,108,085.55/10,109.53
6. Step 6: Final answer
   x = 9,605.60