Finding the Fourth Proportional to 3,671.28, 5,066.82 and 2,099.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,671.28 : 5,066.82 = 2,099.28 : x
2. Step 2: Convert to fraction form
   3,671.28/5,066.82 = 2,099.28/x
3. Step 3: Cross multiply
   3,671.28x = 5,066.82 × 2,099.28
4. Step 4: Simplify right side
   3,671.28x = 10,636,673.89
5. Step 5: Solve for x
   x = 10,636,673.89/3,671.28
6. Step 6: Final answer
   x = 2,897.27