Finding the Fourth Proportional to 2,188.54, 3,020.20 and 1,193.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.54 : 3,020.20 = 1,193.83 : x
2. Step 2: Convert to fraction form
   2,188.54/3,020.20 = 1,193.83/x
3. Step 3: Cross multiply
   2,188.54x = 3,020.20 × 1,193.83
4. Step 4: Simplify right side
   2,188.54x = 3,605,601.55
5. Step 5: Solve for x
   x = 3,605,601.55/2,188.54
6. Step 6: Final answer
   x = 1,647.49