Finding the Fourth Proportional to 2,188.04, 3,019.41 and 1,193.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.04 : 3,019.41 = 1,193.31 : x
2. Step 2: Convert to fraction form
   2,188.04/3,019.41 = 1,193.31/x
3. Step 3: Cross multiply
   2,188.04x = 3,019.41 × 1,193.31
4. Step 4: Simplify right side
   2,188.04x = 3,603,092.15
5. Step 5: Solve for x
   x = 3,603,092.15/2,188.04
6. Step 6: Final answer
   x = 1,646.73