Finding the Fourth Proportional to 2,731.86, 3,769.86 and 1,671.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,731.86 : 3,769.86 = 1,671.39 : x
2. Step 2: Convert to fraction form
   2,731.86/3,769.86 = 1,671.39/x
3. Step 3: Cross multiply
   2,731.86x = 3,769.86 × 1,671.39
4. Step 4: Simplify right side
   2,731.86x = 6,300,906.31
5. Step 5: Solve for x
   x = 6,300,906.31/2,731.86
6. Step 6: Final answer
   x = 2,306.45