Finding the Fourth Proportional to 2,724.21, 3,756.56 and 2,017.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,724.21 : 3,756.56 = 2,017.53 : x
2. Step 2: Convert to fraction form
   2,724.21/3,756.56 = 2,017.53/x
3. Step 3: Cross multiply
   2,724.21x = 3,756.56 × 2,017.53
4. Step 4: Simplify right side
   2,724.21x = 7,578,972.50
5. Step 5: Solve for x
   x = 7,578,972.50/2,724.21
6. Step 6: Final answer
   x = 2,782.08