Finding the Fourth Proportional to 2,188.28, 3,019.89 and 1,244.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.28 : 3,019.89 = 1,244.04 : x
2. Step 2: Convert to fraction form
   2,188.28/3,019.89 = 1,244.04/x
3. Step 3: Cross multiply
   2,188.28x = 3,019.89 × 1,244.04
4. Step 4: Simplify right side
   2,188.28x = 3,756,848.86
5. Step 5: Solve for x
   x = 3,756,848.86/2,188.28
6. Step 6: Final answer
   x = 1,716.81