Finding the Fourth Proportional to 11,389.69, 17,085.75 and 4,816.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,389.69 : 17,085.75 = 4,816.54 : x
2. Step 2: Convert to fraction form
   11,389.69/17,085.75 = 4,816.54/x
3. Step 3: Cross multiply
   11,389.69x = 17,085.75 × 4,816.54
4. Step 4: Simplify right side
   11,389.69x = 82,294,183.11
5. Step 5: Solve for x
   x = 82,294,183.11/11,389.69
6. Step 6: Final answer
   x = 7,225.32