Finding the Fourth Proportional to 2,621.48, 3,617.51 and 1,442.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.48 : 3,617.51 = 1,442.33 : x
2. Step 2: Convert to fraction form
   2,621.48/3,617.51 = 1,442.33/x
3. Step 3: Cross multiply
   2,621.48x = 3,617.51 × 1,442.33
4. Step 4: Simplify right side
   2,621.48x = 5,217,617.90
5. Step 5: Solve for x
   x = 5,217,617.90/2,621.48
6. Step 6: Final answer
   x = 1,990.33