Finding the Fourth Proportional to 13,717.69, 18,930.41 and 7,430.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,717.69 : 18,930.41 = 7,430.06 : x
2. Step 2: Convert to fraction form
   13,717.69/18,930.41 = 7,430.06/x
3. Step 3: Cross multiply
   13,717.69x = 18,930.41 × 7,430.06
4. Step 4: Simplify right side
   13,717.69x = 140,654,120.16
5. Step 5: Solve for x
   x = 140,654,120.16/13,717.69
6. Step 6: Final answer
   x = 10,253.49