Finding the Fourth Proportional to 5,443.89, 8,167.67 and 2,157.93

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.89 : 8,167.67 = 2,157.93 : x
2. Step 2: Convert to fraction form
   5,443.89/8,167.67 = 2,157.93/x
3. Step 3: Cross multiply
   5,443.89x = 8,167.67 × 2,157.93
4. Step 4: Simplify right side
   5,443.89x = 17,625,249.33
5. Step 5: Solve for x
   x = 17,625,249.33/5,443.89
6. Step 6: Final answer
   x = 3,237.62