Finding the Fourth Proportional to 5,267.72, 7,268.83 and 2,909.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,267.72 : 7,268.83 = 2,909.72 : x
2. Step 2: Convert to fraction form
   5,267.72/7,268.83 = 2,909.72/x
3. Step 3: Cross multiply
   5,267.72x = 7,268.83 × 2,909.72
4. Step 4: Simplify right side
   5,267.72x = 21,150,216.41
5. Step 5: Solve for x
   x = 21,150,216.41/5,267.72
6. Step 6: Final answer
   x = 4,015.06