Finding the Fourth Proportional to 10,791.25, 14,890.86 and 7,960.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,791.25 : 14,890.86 = 7,960.14 : x
2. Step 2: Convert to fraction form
   10,791.25/14,890.86 = 7,960.14/x
3. Step 3: Cross multiply
   10,791.25x = 14,890.86 × 7,960.14
4. Step 4: Simplify right side
   10,791.25x = 118,533,330.32
5. Step 5: Solve for x
   x = 118,533,330.32/10,791.25
6. Step 6: Final answer
   x = 10,984.21