Finding the Fourth Proportional to 3,674.82, 5,071.69 and 2,102.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,674.82 : 5,071.69 = 2,102.88 : x
2. Step 2: Convert to fraction form
   3,674.82/5,071.69 = 2,102.88/x
3. Step 3: Cross multiply
   3,674.82x = 5,071.69 × 2,102.88
4. Step 4: Simplify right side
   3,674.82x = 10,665,124.85
5. Step 5: Solve for x
   x = 10,665,124.85/3,674.82
6. Step 6: Final answer
   x = 2,902.22