Finding the Fourth Proportional to 1,676.16, 2,311.61 and 1,361.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,676.16 : 2,311.61 = 1,361.34 : x
2. Step 2: Convert to fraction form
   1,676.16/2,311.61 = 1,361.34/x
3. Step 3: Cross multiply
   1,676.16x = 2,311.61 × 1,361.34
4. Step 4: Simplify right side
   1,676.16x = 3,146,880.35
5. Step 5: Solve for x
   x = 3,146,880.35/1,676.16
6. Step 6: Final answer
   x = 1,877.43