Finding the Fourth Proportional to 7,315.15, 10,974.69 and 2,635.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,315.15 : 10,974.69 = 2,635.69 : x
2. Step 2: Convert to fraction form
   7,315.15/10,974.69 = 2,635.69/x
3. Step 3: Cross multiply
   7,315.15x = 10,974.69 × 2,635.69
4. Step 4: Simplify right side
   7,315.15x = 28,925,880.69
5. Step 5: Solve for x
   x = 28,925,880.69/7,315.15
6. Step 6: Final answer
   x = 3,954.24