Finding the Fourth Proportional to 3,710.50, 5,120.49 and 2,054.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,710.50 : 5,120.49 = 2,054.50 : x
2. Step 2: Convert to fraction form
   3,710.50/5,120.49 = 2,054.50/x
3. Step 3: Cross multiply
   3,710.50x = 5,120.49 × 2,054.50
4. Step 4: Simplify right side
   3,710.50x = 10,520,046.71
5. Step 5: Solve for x
   x = 10,520,046.71/3,710.50
6. Step 6: Final answer
   x = 2,835.21