Finding the Fourth Proportional to 2,621.52, 3,617.55 and 1,442.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.52 : 3,617.55 = 1,442.46 : x
2. Step 2: Convert to fraction form
   2,621.52/3,617.55 = 1,442.46/x
3. Step 3: Cross multiply
   2,621.52x = 3,617.55 × 1,442.46
4. Step 4: Simplify right side
   2,621.52x = 5,218,171.17
5. Step 5: Solve for x
   x = 5,218,171.17/2,621.52
6. Step 6: Final answer
   x = 1,990.51