Finding the Fourth Proportional to 13,106.09, 19,662.38 and 4,341.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,106.09 : 19,662.38 = 4,341.89 : x
2. Step 2: Convert to fraction form
   13,106.09/19,662.38 = 4,341.89/x
3. Step 3: Cross multiply
   13,106.09x = 19,662.38 × 4,341.89
4. Step 4: Simplify right side
   13,106.09x = 85,371,891.10
5. Step 5: Solve for x
   x = 85,371,891.10/13,106.09
6. Step 6: Final answer
   x = 6,513.91