Finding the Fourth Proportional to 3,727.74, 5,142.96 and 2,609.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,727.74 : 5,142.96 = 2,609.94 : x
2. Step 2: Convert to fraction form
   3,727.74/5,142.96 = 2,609.94/x
3. Step 3: Cross multiply
   3,727.74x = 5,142.96 × 2,609.94
4. Step 4: Simplify right side
   3,727.74x = 13,422,817.02
5. Step 5: Solve for x
   x = 13,422,817.02/3,727.74
6. Step 6: Final answer
   x = 3,600.79