Finding the Fourth Proportional to 13,641.72, 18,825.30 and 7,673.33

Step by Step Solution

1. Step 1: Write the proportion equation
   13,641.72 : 18,825.30 = 7,673.33 : x
2. Step 2: Convert to fraction form
   13,641.72/18,825.30 = 7,673.33/x
3. Step 3: Cross multiply
   13,641.72x = 18,825.30 × 7,673.33
4. Step 4: Simplify right side
   13,641.72x = 144,452,645.12
5. Step 5: Solve for x
   x = 144,452,645.12/13,641.72
6. Step 6: Final answer
   x = 10,589.03