Finding the Fourth Proportional to 7,276.94, 10,918.69 and 3,118.04

Step by Step Solution

1. Step 1: Write the proportion equation
   7,276.94 : 10,918.69 = 3,118.04 : x
2. Step 2: Convert to fraction form
   7,276.94/10,918.69 = 3,118.04/x
3. Step 3: Cross multiply
   7,276.94x = 10,918.69 × 3,118.04
4. Step 4: Simplify right side
   7,276.94x = 34,044,912.17
5. Step 5: Solve for x
   x = 34,044,912.17/7,276.94
6. Step 6: Final answer
   x = 4,678.47