Finding the Fourth Proportional to 2,762.03, 3,807.57 and 2,171.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,762.03 : 3,807.57 = 2,171.54 : x
2. Step 2: Convert to fraction form
   2,762.03/3,807.57 = 2,171.54/x
3. Step 3: Cross multiply
   2,762.03x = 3,807.57 × 2,171.54
4. Step 4: Simplify right side
   2,762.03x = 8,268,271.52
5. Step 5: Solve for x
   x = 8,268,271.52/2,762.03
6. Step 6: Final answer
   x = 2,993.55