Finding the Fourth Proportional to 3,655.16, 5,042.89 and 2,061.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,655.16 : 5,042.89 = 2,061.62 : x
2. Step 2: Convert to fraction form
   3,655.16/5,042.89 = 2,061.62/x
3. Step 3: Cross multiply
   3,655.16x = 5,042.89 × 2,061.62
4. Step 4: Simplify right side
   3,655.16x = 10,396,519.16
5. Step 5: Solve for x
   x = 10,396,519.16/3,655.16
6. Step 6: Final answer
   x = 2,844.34