Finding the Fourth Proportional to 5,548.50, 7,647.80 and 3,933.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,548.50 : 7,647.80 = 3,933.94 : x
2. Step 2: Convert to fraction form
   5,548.50/7,647.80 = 3,933.94/x
3. Step 3: Cross multiply
   5,548.50x = 7,647.80 × 3,933.94
4. Step 4: Simplify right side
   5,548.50x = 30,085,986.33
5. Step 5: Solve for x
   x = 30,085,986.33/5,548.50
6. Step 6: Final answer
   x = 5,422.36