Finding the Fourth Proportional to 3,671.42, 5,065.42 and 2,099.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,671.42 : 5,065.42 = 2,099.21 : x
2. Step 2: Convert to fraction form
   3,671.42/5,065.42 = 2,099.21/x
3. Step 3: Cross multiply
   3,671.42x = 5,065.42 × 2,099.21
4. Step 4: Simplify right side
   3,671.42x = 10,633,369.82
5. Step 5: Solve for x
   x = 10,633,369.82/3,671.42
6. Step 6: Final answer
   x = 2,896.26