Finding the Fourth Proportional to 13,009.15, 17,948.20 and 7,343.23

Step by Step Solution

1. Step 1: Write the proportion equation
   13,009.15 : 17,948.20 = 7,343.23 : x
2. Step 2: Convert to fraction form
   13,009.15/17,948.20 = 7,343.23/x
3. Step 3: Cross multiply
   13,009.15x = 17,948.20 × 7,343.23
4. Step 4: Simplify right side
   13,009.15x = 131,797,760.69
5. Step 5: Solve for x
   x = 131,797,760.69/13,009.15
6. Step 6: Final answer
   x = 10,131.16