Finding the Fourth Proportional to 55,849.71, 83,786.91 and 18,408.27

Step by Step Solution

1. Step 1: Write the proportion equation
   55,849.71 : 83,786.91 = 18,408.27 : x
2. Step 2: Convert to fraction form
   55,849.71/83,786.91 = 18,408.27/x
3. Step 3: Cross multiply
   55,849.71x = 83,786.91 × 18,408.27
4. Step 4: Simplify right side
   55,849.71x = 1,542,372,061.75
5. Step 5: Solve for x
   x = 1,542,372,061.75/55,849.71
6. Step 6: Final answer
   x = 27,616.47