Finding the Fourth Proportional to 49,839.62, 74,744.76 and 18,667.58

Step by Step Solution

1. Step 1: Write the proportion equation
   49,839.62 : 74,744.76 = 18,667.58 : x
2. Step 2: Convert to fraction form
   49,839.62/74,744.76 = 18,667.58/x
3. Step 3: Cross multiply
   49,839.62x = 74,744.76 × 18,667.58
4. Step 4: Simplify right side
   49,839.62x = 1,395,303,786.88
5. Step 5: Solve for x
   x = 1,395,303,786.88/49,839.62
6. Step 6: Final answer
   x = 27,995.88