Finding the Fourth Proportional to 2,188.24, 3,019.60 and 1,193.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.24 : 3,019.60 = 1,193.46 : x
2. Step 2: Convert to fraction form
   2,188.24/3,019.60 = 1,193.46/x
3. Step 3: Cross multiply
   2,188.24x = 3,019.60 × 1,193.46
4. Step 4: Simplify right side
   2,188.24x = 3,603,771.82
5. Step 5: Solve for x
   x = 3,603,771.82/2,188.24
6. Step 6: Final answer
   x = 1,646.88