Finding the Fourth Proportional to 2,775.42, 4,164.86 and 1,131.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,775.42 : 4,164.86 = 1,131.96 : x
2. Step 2: Convert to fraction form
   2,775.42/4,164.86 = 1,131.96/x
3. Step 3: Cross multiply
   2,775.42x = 4,164.86 × 1,131.96
4. Step 4: Simplify right side
   2,775.42x = 4,714,471.68
5. Step 5: Solve for x
   x = 4,714,471.68/2,775.42
6. Step 6: Final answer
   x = 1,698.65