Finding the Fourth Proportional to 3,985.55, 5,500.03 and 2,192.97

Step by Step Solution

1. Step 1: Write the proportion equation
   3,985.55 : 5,500.03 = 2,192.97 : x
2. Step 2: Convert to fraction form
   3,985.55/5,500.03 = 2,192.97/x
3. Step 3: Cross multiply
   3,985.55x = 5,500.03 × 2,192.97
4. Step 4: Simplify right side
   3,985.55x = 12,061,413.88
5. Step 5: Solve for x
   x = 12,061,413.88/3,985.55
6. Step 6: Final answer
   x = 3,026.28