Finding the Fourth Proportional to 2,518.95, 3,779.46 and 1,131.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.95 : 3,779.46 = 1,131.33 : x
2. Step 2: Convert to fraction form
   2,518.95/3,779.46 = 1,131.33/x
3. Step 3: Cross multiply
   2,518.95x = 3,779.46 × 1,131.33
4. Step 4: Simplify right side
   2,518.95x = 4,275,816.48
5. Step 5: Solve for x
   x = 4,275,816.48/2,518.95
6. Step 6: Final answer
   x = 1,697.46