Finding the Fourth Proportional to 3,323.58, 4,984.20 and 1,131.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,323.58 : 4,984.20 = 1,131.78 : x
2. Step 2: Convert to fraction form
   3,323.58/4,984.20 = 1,131.78/x
3. Step 3: Cross multiply
   3,323.58x = 4,984.20 × 1,131.78
4. Step 4: Simplify right side
   3,323.58x = 5,641,017.88
5. Step 5: Solve for x
   x = 5,641,017.88/3,323.58
6. Step 6: Final answer
   x = 1,697.27