Finding the Fourth Proportional to 23,540, 32,488.08 and 13,604

Step by Step Solution

1. Step 1: Write the proportion equation
   23,540 : 32,488.08 = 13,604 : x
2. Step 2: Convert to fraction form
   23,540/32,488.08 = 13,604/x
3. Step 3: Cross multiply
   23,540x = 32,488.08 × 13,604
4. Step 4: Simplify right side
   23,540x = 441,967,840.32
5. Step 5: Solve for x
   x = 441,967,840.32/23,540
6. Step 6: Final answer
   x = 18,775.18