Finding the Fourth Proportional to 2,851.86, 3,937.31 and 2,675.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,851.86 : 3,937.31 = 2,675.38 : x
2. Step 2: Convert to fraction form
   2,851.86/3,937.31 = 2,675.38/x
3. Step 3: Cross multiply
   2,851.86x = 3,937.31 × 2,675.38
4. Step 4: Simplify right side
   2,851.86x = 10,533,787.05
5. Step 5: Solve for x
   x = 10,533,787.05/2,851.86
6. Step 6: Final answer
   x = 3,693.66