Finding the Fourth Proportional to 23,540.38, 32,488.60 and 13,604.38

Step by Step Solution

1. Step 1: Write the proportion equation
   23,540.38 : 32,488.60 = 13,604.38 : x
2. Step 2: Convert to fraction form
   23,540.38/32,488.60 = 13,604.38/x
3. Step 3: Cross multiply
   23,540.38x = 32,488.60 × 13,604.38
4. Step 4: Simplify right side
   23,540.38x = 441,987,097.63
5. Step 5: Solve for x
   x = 441,987,097.63/23,540.38
6. Step 6: Final answer
   x = 18,775.70