Finding the Fourth Proportional to 5,268.72, 7,270.69 and 2,910.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,268.72 : 7,270.69 = 2,910.81 : x
2. Step 2: Convert to fraction form
   5,268.72/7,270.69 = 2,910.81/x
3. Step 3: Cross multiply
   5,268.72x = 7,270.69 × 2,910.81
4. Step 4: Simplify right side
   5,268.72x = 21,163,597.16
5. Step 5: Solve for x
   x = 21,163,597.16/5,268.72
6. Step 6: Final answer
   x = 4,016.84