Finding the Fourth Proportional to 2,738.54, 3,779.33 and 1,620.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.54 : 3,779.33 = 1,620.14 : x
2. Step 2: Convert to fraction form
   2,738.54/3,779.33 = 1,620.14/x
3. Step 3: Cross multiply
   2,738.54x = 3,779.33 × 1,620.14
4. Step 4: Simplify right side
   2,738.54x = 6,123,016.71
5. Step 5: Solve for x
   x = 6,123,016.71/2,738.54
6. Step 6: Final answer
   x = 2,235.87