Finding the Fourth Proportional to 2,411.98, 3,619.79 and 1,764.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.98 : 3,619.79 = 1,764.38 : x
2. Step 2: Convert to fraction form
   2,411.98/3,619.79 = 1,764.38/x
3. Step 3: Cross multiply
   2,411.98x = 3,619.79 × 1,764.38
4. Step 4: Simplify right side
   2,411.98x = 6,386,691.92
5. Step 5: Solve for x
   x = 6,386,691.92/2,411.98
6. Step 6: Final answer
   x = 2,647.91