Finding the Fourth Proportional to 2,740.27, 3,781.67 and 1,561.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740.27 : 3,781.67 = 1,561.42 : x
2. Step 2: Convert to fraction form
   2,740.27/3,781.67 = 1,561.42/x
3. Step 3: Cross multiply
   2,740.27x = 3,781.67 × 1,561.42
4. Step 4: Simplify right side
   2,740.27x = 5,904,775.17
5. Step 5: Solve for x
   x = 5,904,775.17/2,740.27
6. Step 6: Final answer
   x = 2,154.82