Finding the Fourth Proportional to 18,559.32, 25,645.76 and 13,514.72

Step by Step Solution

1. Step 1: Write the proportion equation
   18,559.32 : 25,645.76 = 13,514.72 : x
2. Step 2: Convert to fraction form
   18,559.32/25,645.76 = 13,514.72/x
3. Step 3: Cross multiply
   18,559.32x = 25,645.76 × 13,514.72
4. Step 4: Simplify right side
   18,559.32x = 346,595,265.59
5. Step 5: Solve for x
   x = 346,595,265.59/18,559.32
6. Step 6: Final answer
   x = 18,675.00