Finding the Fourth Proportional to 49,854.48, 74,759.82 and 18,667.86

Step by Step Solution

1. Step 1: Write the proportion equation
   49,854.48 : 74,759.82 = 18,667.86 : x
2. Step 2: Convert to fraction form
   49,854.48/74,759.82 = 18,667.86/x
3. Step 3: Cross multiply
   49,854.48x = 74,759.82 × 18,667.86
4. Step 4: Simplify right side
   49,854.48x = 1,395,605,853.39
5. Step 5: Solve for x
   x = 1,395,605,853.39/49,854.48
6. Step 6: Final answer
   x = 27,993.59