Finding the Fourth Proportional to 3,740.05, 5,161.28 and 2,061.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,740.05 : 5,161.28 = 2,061.42 : x
2. Step 2: Convert to fraction form
   3,740.05/5,161.28 = 2,061.42/x
3. Step 3: Cross multiply
   3,740.05x = 5,161.28 × 2,061.42
4. Step 4: Simplify right side
   3,740.05x = 10,639,565.82
5. Step 5: Solve for x
   x = 10,639,565.82/3,740.05
6. Step 6: Final answer
   x = 2,844.77