Finding the Fourth Proportional to 2,642.68, 3,647.33 and 1,635

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642.68 : 3,647.33 = 1,635 : x
2. Step 2: Convert to fraction form
   2,642.68/3,647.33 = 1,635/x
3. Step 3: Cross multiply
   2,642.68x = 3,647.33 × 1,635
4. Step 4: Simplify right side
   2,642.68x = 5,963,384.55
5. Step 5: Solve for x
   x = 5,963,384.55/2,642.68
6. Step 6: Final answer
   x = 2,256.57