Finding the Fourth Proportional to 2,003.07, 2,761.78 and 1,647.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.07 : 2,761.78 = 1,647.75 : x
2. Step 2: Convert to fraction form
   2,003.07/2,761.78 = 1,647.75/x
3. Step 3: Cross multiply
   2,003.07x = 2,761.78 × 1,647.75
4. Step 4: Simplify right side
   2,003.07x = 4,550,723.00
5. Step 5: Solve for x
   x = 4,550,723.00/2,003.07
6. Step 6: Final answer
   x = 2,271.87