Finding the Fourth Proportional to 13,434.96, 18,540.17 and 7,467.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,434.96 : 18,540.17 = 7,467.18 : x
2. Step 2: Convert to fraction form
   13,434.96/18,540.17 = 7,467.18/x
3. Step 3: Cross multiply
   13,434.96x = 18,540.17 × 7,467.18
4. Step 4: Simplify right side
   13,434.96x = 138,442,777.29
5. Step 5: Solve for x
   x = 138,442,777.29/13,434.96
6. Step 6: Final answer
   x = 10,304.67