Finding the Fourth Proportional to 3,469.50, 5,200.02 and 2,081.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,469.50 : 5,200.02 = 2,081.88 : x
2. Step 2: Convert to fraction form
   3,469.50/5,200.02 = 2,081.88/x
3. Step 3: Cross multiply
   3,469.50x = 5,200.02 × 2,081.88
4. Step 4: Simplify right side
   3,469.50x = 10,825,817.64
5. Step 5: Solve for x
   x = 10,825,817.64/3,469.50
6. Step 6: Final answer
   x = 3,120.28