Finding the Fourth Proportional to 2,008.72, 2,766.18 and 1,713.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008.72 : 2,766.18 = 1,713.88 : x
2. Step 2: Convert to fraction form
   2,008.72/2,766.18 = 1,713.88/x
3. Step 3: Cross multiply
   2,008.72x = 2,766.18 × 1,713.88
4. Step 4: Simplify right side
   2,008.72x = 4,740,900.58
5. Step 5: Solve for x
   x = 4,740,900.58/2,008.72
6. Step 6: Final answer
   x = 2,360.16