Finding the Fourth Proportional to 3,766.31, 5,198.24 and 2,173.99

Step by Step Solution

1. Step 1: Write the proportion equation
   3,766.31 : 5,198.24 = 2,173.99 : x
2. Step 2: Convert to fraction form
   3,766.31/5,198.24 = 2,173.99/x
3. Step 3: Cross multiply
   3,766.31x = 5,198.24 × 2,173.99
4. Step 4: Simplify right side
   3,766.31x = 11,300,923.96
5. Step 5: Solve for x
   x = 11,300,923.96/3,766.31
6. Step 6: Final answer
   x = 3,000.53