Finding the Fourth Proportional to 12,104.84, 18,150.78 and 5,175.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,104.84 : 18,150.78 = 5,175.56 : x
2. Step 2: Convert to fraction form
   12,104.84/18,150.78 = 5,175.56/x
3. Step 3: Cross multiply
   12,104.84x = 18,150.78 × 5,175.56
4. Step 4: Simplify right side
   12,104.84x = 93,940,450.94
5. Step 5: Solve for x
   x = 93,940,450.94/12,104.84
6. Step 6: Final answer
   x = 7,760.57