Finding the Fourth Proportional to 2,185.86, 3,012.87 and 1,713

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.86 : 3,012.87 = 1,713 : x
2. Step 2: Convert to fraction form
   2,185.86/3,012.87 = 1,713/x
3. Step 3: Cross multiply
   2,185.86x = 3,012.87 × 1,713
4. Step 4: Simplify right side
   2,185.86x = 5,161,046.31
5. Step 5: Solve for x
   x = 5,161,046.31/2,185.86
6. Step 6: Final answer
   x = 2,361.11