Finding the Fourth Proportional to 2,647.76, 3,654.72 and 1,716.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647.76 : 3,654.72 = 1,716.08 : x
2. Step 2: Convert to fraction form
   2,647.76/3,654.72 = 1,716.08/x
3. Step 3: Cross multiply
   2,647.76x = 3,654.72 × 1,716.08
4. Step 4: Simplify right side
   2,647.76x = 6,271,791.90
5. Step 5: Solve for x
   x = 6,271,791.90/2,647.76
6. Step 6: Final answer
   x = 2,368.72