Finding the Fourth Proportional to 13,185.29, 18,195.56 and 7,519.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,185.29 : 18,195.56 = 7,519.89 : x
2. Step 2: Convert to fraction form
   13,185.29/18,195.56 = 7,519.89/x
3. Step 3: Cross multiply
   13,185.29x = 18,195.56 × 7,519.89
4. Step 4: Simplify right side
   13,185.29x = 136,828,696.72
5. Step 5: Solve for x
   x = 136,828,696.72/13,185.29
6. Step 6: Final answer
   x = 10,377.37