Finding the Fourth Proportional to 10,268.72, 15,400.75 and 4,716.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,268.72 : 15,400.75 = 4,716.72 : x
2. Step 2: Convert to fraction form
   10,268.72/15,400.75 = 4,716.72/x
3. Step 3: Cross multiply
   10,268.72x = 15,400.75 × 4,716.72
4. Step 4: Simplify right side
   10,268.72x = 72,641,025.54
5. Step 5: Solve for x
   x = 72,641,025.54/10,268.72
6. Step 6: Final answer
   x = 7,074.01