Finding the Fourth Proportional to 10,268.64, 14,078.25 and 10,081.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,268.64 : 14,078.25 = 10,081.80 : x
2. Step 2: Convert to fraction form
   10,268.64/14,078.25 = 10,081.80/x
3. Step 3: Cross multiply
   10,268.64x = 14,078.25 × 10,081.80
4. Step 4: Simplify right side
   10,268.64x = 141,934,100.85
5. Step 5: Solve for x
   x = 141,934,100.85/10,268.64
6. Step 6: Final answer
   x = 13,822.09