Finding the Fourth Proportional to 2,730.42, 3,743.40 and 2,681.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,730.42 : 3,743.40 = 2,681.22 : x
2. Step 2: Convert to fraction form
   2,730.42/3,743.40 = 2,681.22/x
3. Step 3: Cross multiply
   2,730.42x = 3,743.40 × 2,681.22
4. Step 4: Simplify right side
   2,730.42x = 10,036,878.95
5. Step 5: Solve for x
   x = 10,036,878.95/2,730.42
6. Step 6: Final answer
   x = 3,675.95