Finding the Fourth Proportional to 19,708.69, 27,188.59 and 13,337.52

Step by Step Solution

1. Step 1: Write the proportion equation
   19,708.69 : 27,188.59 = 13,337.52 : x
2. Step 2: Convert to fraction form
   19,708.69/27,188.59 = 13,337.52/x
3. Step 3: Cross multiply
   19,708.69x = 27,188.59 × 13,337.52
4. Step 4: Simplify right side
   19,708.69x = 362,628,362.90
5. Step 5: Solve for x
   x = 362,628,362.90/19,708.69
6. Step 6: Final answer
   x = 18,399.41