Finding the Fourth Proportional to 3,740.24, 5,161.64 and 2,061.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,740.24 : 5,161.64 = 2,061.72 : x
2. Step 2: Convert to fraction form
   3,740.24/5,161.64 = 2,061.72/x
3. Step 3: Cross multiply
   3,740.24x = 5,161.64 × 2,061.72
4. Step 4: Simplify right side
   3,740.24x = 10,641,856.42
5. Step 5: Solve for x
   x = 10,641,856.42/3,740.24
6. Step 6: Final answer
   x = 2,845.23