Finding the Fourth Proportional to 13,434.80, 18,540.52 and 7,467.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,434.80 : 18,540.52 = 7,467.06 : x
2. Step 2: Convert to fraction form
   13,434.80/18,540.52 = 7,467.06/x
3. Step 3: Cross multiply
   13,434.80x = 18,540.52 × 7,467.06
4. Step 4: Simplify right side
   13,434.80x = 138,443,156.60
5. Step 5: Solve for x
   x = 138,443,156.60/13,434.80
6. Step 6: Final answer
   x = 10,304.82