Finding the Fourth Proportional to 2,642.72, 3,646.69 and 1,711.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642.72 : 3,646.69 = 1,711.22 : x
2. Step 2: Convert to fraction form
   2,642.72/3,646.69 = 1,711.22/x
3. Step 3: Cross multiply
   2,642.72x = 3,646.69 × 1,711.22
4. Step 4: Simplify right side
   2,642.72x = 6,240,266.35
5. Step 5: Solve for x
   x = 6,240,266.35/2,642.72
6. Step 6: Final answer
   x = 2,361.31