Finding the Fourth Proportional to 18,443.52, 25,452.50 and 10,485.68

Step by Step Solution

1. Step 1: Write the proportion equation
   18,443.52 : 25,452.50 = 10,485.68 : x
2. Step 2: Convert to fraction form
   18,443.52/25,452.50 = 10,485.68/x
3. Step 3: Cross multiply
   18,443.52x = 25,452.50 × 10,485.68
4. Step 4: Simplify right side
   18,443.52x = 266,886,590.51
5. Step 5: Solve for x
   x = 266,886,590.51/18,443.52
6. Step 6: Final answer
   x = 14,470.48