Finding the Fourth Proportional to 12,465.41, 18,698.15 and 3,105.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,465.41 : 18,698.15 = 3,105.41 : x
2. Step 2: Convert to fraction form
   12,465.41/18,698.15 = 3,105.41/x
3. Step 3: Cross multiply
   12,465.41x = 18,698.15 × 3,105.41
4. Step 4: Simplify right side
   12,465.41x = 58,065,476.50
5. Step 5: Solve for x
   x = 58,065,476.50/12,465.41
6. Step 6: Final answer
   x = 4,658.13