Finding the Fourth Proportional to 2,665.42, 3,678.76 and 1,671.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.42 : 3,678.76 = 1,671.54 : x
2. Step 2: Convert to fraction form
   2,665.42/3,678.76 = 1,671.54/x
3. Step 3: Cross multiply
   2,665.42x = 3,678.76 × 1,671.54
4. Step 4: Simplify right side
   2,665.42x = 6,149,194.49
5. Step 5: Solve for x
   x = 6,149,194.49/2,665.42
6. Step 6: Final answer
   x = 2,307.03