Finding the Fourth Proportional to 2,621.35, 3,617.35 and 1,442.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.35 : 3,617.35 = 1,442.41 : x
2. Step 2: Convert to fraction form
   2,621.35/3,617.35 = 1,442.41/x
3. Step 3: Cross multiply
   2,621.35x = 3,617.35 × 1,442.41
4. Step 4: Simplify right side
   2,621.35x = 5,217,701.81
5. Step 5: Solve for x
   x = 5,217,701.81/2,621.35
6. Step 6: Final answer
   x = 1,990.46