Finding the Fourth Proportional to 2,556.69, 3,835.03 and 1,323.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.69 : 3,835.03 = 1,323.35 : x
2. Step 2: Convert to fraction form
   2,556.69/3,835.03 = 1,323.35/x
3. Step 3: Cross multiply
   2,556.69x = 3,835.03 × 1,323.35
4. Step 4: Simplify right side
   2,556.69x = 5,075,086.95
5. Step 5: Solve for x
   x = 5,075,086.95/2,556.69
6. Step 6: Final answer
   x = 1,985.02