Finding the Fourth Proportional to 9,313.69, 13,967.57 and 3,072.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,313.69 : 13,967.57 = 3,072.54 : x
2. Step 2: Convert to fraction form
   9,313.69/13,967.57 = 3,072.54/x
3. Step 3: Cross multiply
   9,313.69x = 13,967.57 × 3,072.54
4. Step 4: Simplify right side
   9,313.69x = 42,915,917.53
5. Step 5: Solve for x
   x = 42,915,917.53/9,313.69
6. Step 6: Final answer
   x = 4,607.83