Finding the Fourth Proportional to 2,188.82, 3,020.83 and 1,244.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.82 : 3,020.83 = 1,244.75 : x
2. Step 2: Convert to fraction form
   2,188.82/3,020.83 = 1,244.75/x
3. Step 3: Cross multiply
   2,188.82x = 3,020.83 × 1,244.75
4. Step 4: Simplify right side
   2,188.82x = 3,760,179.47
5. Step 5: Solve for x
   x = 3,760,179.47/2,188.82
6. Step 6: Final answer
   x = 1,717.90