Finding the Fourth Proportional to 3,728.60, 5,145.53 and 2,049.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,728.60 : 5,145.53 = 2,049.98 : x
2. Step 2: Convert to fraction form
   3,728.60/5,145.53 = 2,049.98/x
3. Step 3: Cross multiply
   3,728.60x = 5,145.53 × 2,049.98
4. Step 4: Simplify right side
   3,728.60x = 10,548,236.20
5. Step 5: Solve for x
   x = 10,548,236.20/3,728.60
6. Step 6: Final answer
   x = 2,829.01