Finding the Fourth Proportional to 2,567.18, 3,851.38 and 1,334.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,567.18 : 3,851.38 = 1,334.31 : x
2. Step 2: Convert to fraction form
   2,567.18/3,851.38 = 1,334.31/x
3. Step 3: Cross multiply
   2,567.18x = 3,851.38 × 1,334.31
4. Step 4: Simplify right side
   2,567.18x = 5,138,943.74
5. Step 5: Solve for x
   x = 5,138,943.74/2,567.18
6. Step 6: Final answer
   x = 2,001.78