Finding the Fourth Proportional to 10,256.97, 14,150.81 and 7,867.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,256.97 : 14,150.81 = 7,867.37 : x
2. Step 2: Convert to fraction form
   10,256.97/14,150.81 = 7,867.37/x
3. Step 3: Cross multiply
   10,256.97x = 14,150.81 × 7,867.37
4. Step 4: Simplify right side
   10,256.97x = 111,329,658.07
5. Step 5: Solve for x
   x = 111,329,658.07/10,256.97
6. Step 6: Final answer
   x = 10,854.05