Finding the Fourth Proportional to 2,123.85, 3,187.89 and 1,738.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.85 : 3,187.89 = 1,738.44 : x
2. Step 2: Convert to fraction form
   2,123.85/3,187.89 = 1,738.44/x
3. Step 3: Cross multiply
   2,123.85x = 3,187.89 × 1,738.44
4. Step 4: Simplify right side
   2,123.85x = 5,541,955.49
5. Step 5: Solve for x
   x = 5,541,955.49/2,123.85
6. Step 6: Final answer
   x = 2,609.39