Finding the Fourth Proportional to 13,417.72, 18,514.98 and 7,675.24

Step by Step Solution

1. Step 1: Write the proportion equation
   13,417.72 : 18,514.98 = 7,675.24 : x
2. Step 2: Convert to fraction form
   13,417.72/18,514.98 = 7,675.24/x
3. Step 3: Cross multiply
   13,417.72x = 18,514.98 × 7,675.24
4. Step 4: Simplify right side
   13,417.72x = 142,106,915.10
5. Step 5: Solve for x
   x = 142,106,915.10/13,417.72
6. Step 6: Final answer
   x = 10,590.99