Finding the Fourth Proportional to 2,621.33, 3,617.75 and 1,559.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.33 : 3,617.75 = 1,559.62 : x
2. Step 2: Convert to fraction form
   2,621.33/3,617.75 = 1,559.62/x
3. Step 3: Cross multiply
   2,621.33x = 3,617.75 × 1,559.62
4. Step 4: Simplify right side
   2,621.33x = 5,642,310.11
5. Step 5: Solve for x
   x = 5,642,310.11/2,621.33
6. Step 6: Final answer
   x = 2,152.46