Finding the Fourth Proportional to 3,674.72, 5,071.18 and 2,102.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,674.72 : 5,071.18 = 2,102.84 : x
2. Step 2: Convert to fraction form
   3,674.72/5,071.18 = 2,102.84/x
3. Step 3: Cross multiply
   3,674.72x = 5,071.18 × 2,102.84
4. Step 4: Simplify right side
   3,674.72x = 10,663,880.15
5. Step 5: Solve for x
   x = 10,663,880.15/3,674.72
6. Step 6: Final answer
   x = 2,901.96