Finding the Fourth Proportional to 3,411.82, 5,118.94 and 1,952.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411.82 : 5,118.94 = 1,952.20 : x
2. Step 2: Convert to fraction form
   3,411.82/5,118.94 = 1,952.20/x
3. Step 3: Cross multiply
   3,411.82x = 5,118.94 × 1,952.20
4. Step 4: Simplify right side
   3,411.82x = 9,993,194.67
5. Step 5: Solve for x
   x = 9,993,194.67/3,411.82
6. Step 6: Final answer
   x = 2,928.99