Finding the Fourth Proportional to 2,488.96, 3,735.09 and 1,378.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.96 : 3,735.09 = 1,378.84 : x
2. Step 2: Convert to fraction form
   2,488.96/3,735.09 = 1,378.84/x
3. Step 3: Cross multiply
   2,488.96x = 3,735.09 × 1,378.84
4. Step 4: Simplify right side
   2,488.96x = 5,150,091.50
5. Step 5: Solve for x
   x = 5,150,091.50/2,488.96
6. Step 6: Final answer
   x = 2,069.17