Finding the Fourth Proportional to 2,681, 3,695.72 and 2,305.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,681 : 3,695.72 = 2,305.98 : x
2. Step 2: Convert to fraction form
   2,681/3,695.72 = 2,305.98/x
3. Step 3: Cross multiply
   2,681x = 3,695.72 × 2,305.98
4. Step 4: Simplify right side
   2,681x = 8,522,256.41
5. Step 5: Solve for x
   x = 8,522,256.41/2,681
6. Step 6: Final answer
   x = 3,178.76