Finding the Fourth Proportional to 10,839.70, 16,268.81 and 7,727.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,839.70 : 16,268.81 = 7,727.32 : x
2. Step 2: Convert to fraction form
   10,839.70/16,268.81 = 7,727.32/x
3. Step 3: Cross multiply
   10,839.70x = 16,268.81 × 7,727.32
4. Step 4: Simplify right side
   10,839.70x = 125,714,300.89
5. Step 5: Solve for x
   x = 125,714,300.89/10,839.70
6. Step 6: Final answer
   x = 11,597.58