Finding the Fourth Proportional to 2,556.16, 3,830.61 and 1,968.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.16 : 3,830.61 = 1,968.94 : x
2. Step 2: Convert to fraction form
   2,556.16/3,830.61 = 1,968.94/x
3. Step 3: Cross multiply
   2,556.16x = 3,830.61 × 1,968.94
4. Step 4: Simplify right side
   2,556.16x = 7,542,241.25
5. Step 5: Solve for x
   x = 7,542,241.25/2,556.16
6. Step 6: Final answer
   x = 2,950.61