Finding the Fourth Proportional to 7,185.50, 9,916.56 and 4,041.92

Step by Step Solution

1. Step 1: Write the proportion equation
   7,185.50 : 9,916.56 = 4,041.92 : x
2. Step 2: Convert to fraction form
   7,185.50/9,916.56 = 4,041.92/x
3. Step 3: Cross multiply
   7,185.50x = 9,916.56 × 4,041.92
4. Step 4: Simplify right side
   7,185.50x = 40,081,942.20
5. Step 5: Solve for x
   x = 40,081,942.20/7,185.50
6. Step 6: Final answer
   x = 5,578.17