Finding the Fourth Proportional to 10,055.69, 15,015.83 and 8,210.41

Step by Step Solution

1. Step 1: Write the proportion equation
   10,055.69 : 15,015.83 = 8,210.41 : x
2. Step 2: Convert to fraction form
   10,055.69/15,015.83 = 8,210.41/x
3. Step 3: Cross multiply
   10,055.69x = 15,015.83 × 8,210.41
4. Step 4: Simplify right side
   10,055.69x = 123,286,172.85
5. Step 5: Solve for x
   x = 123,286,172.85/10,055.69
6. Step 6: Final answer
   x = 12,260.33