Finding the Fourth Proportional to 5,557.41, 7,667.46 and 3,198.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,557.41 : 7,667.46 = 3,198.69 : x
2. Step 2: Convert to fraction form
   5,557.41/7,667.46 = 3,198.69/x
3. Step 3: Cross multiply
   5,557.41x = 7,667.46 × 3,198.69
4. Step 4: Simplify right side
   5,557.41x = 24,525,827.63
5. Step 5: Solve for x
   x = 24,525,827.63/5,557.41
6. Step 6: Final answer
   x = 4,413.18