Finding the Fourth Proportional to 2,773.41, 4,161.47 and 1,131.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,773.41 : 4,161.47 = 1,131.09 : x
2. Step 2: Convert to fraction form
   2,773.41/4,161.47 = 1,131.09/x
3. Step 3: Cross multiply
   2,773.41x = 4,161.47 × 1,131.09
4. Step 4: Simplify right side
   2,773.41x = 4,706,991.45
5. Step 5: Solve for x
   x = 4,706,991.45/2,773.41
6. Step 6: Final answer
   x = 1,697.19