Finding the Fourth Proportional to 13,043.34, 17,999.69 and 7,379.19

Step by Step Solution

1. Step 1: Write the proportion equation
   13,043.34 : 17,999.69 = 7,379.19 : x
2. Step 2: Convert to fraction form
   13,043.34/17,999.69 = 7,379.19/x
3. Step 3: Cross multiply
   13,043.34x = 17,999.69 × 7,379.19
4. Step 4: Simplify right side
   13,043.34x = 132,823,095.56
5. Step 5: Solve for x
   x = 132,823,095.56/13,043.34
6. Step 6: Final answer
   x = 10,183.21