Finding the Fourth Proportional to 2,391.01, 3,578.04 and 1,764.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.01 : 3,578.04 = 1,764.82 : x
2. Step 2: Convert to fraction form
   2,391.01/3,578.04 = 1,764.82/x
3. Step 3: Cross multiply
   2,391.01x = 3,578.04 × 1,764.82
4. Step 4: Simplify right side
   2,391.01x = 6,314,596.55
5. Step 5: Solve for x
   x = 6,314,596.55/2,391.01
6. Step 6: Final answer
   x = 2,640.97