Finding the Fourth Proportional to 2,620.34, 3,928.42 and 1,796.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.34 : 3,928.42 = 1,796.10 : x
2. Step 2: Convert to fraction form
   2,620.34/3,928.42 = 1,796.10/x
3. Step 3: Cross multiply
   2,620.34x = 3,928.42 × 1,796.10
4. Step 4: Simplify right side
   2,620.34x = 7,055,835.16
5. Step 5: Solve for x
   x = 7,055,835.16/2,620.34
6. Step 6: Final answer
   x = 2,692.72