Finding the Fourth Proportional to 2,687.30, 3,707.84 and 1,567.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687.30 : 3,707.84 = 1,567.58 : x
2. Step 2: Convert to fraction form
   2,687.30/3,707.84 = 1,567.58/x
3. Step 3: Cross multiply
   2,687.30x = 3,707.84 × 1,567.58
4. Step 4: Simplify right side
   2,687.30x = 5,812,335.83
5. Step 5: Solve for x
   x = 5,812,335.83/2,687.30
6. Step 6: Final answer
   x = 2,162.89