Finding the Fourth Proportional to 2,442.87, 3,372.72 and 1,605.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,442.87 : 3,372.72 = 1,605.06 : x
2. Step 2: Convert to fraction form
   2,442.87/3,372.72 = 1,605.06/x
3. Step 3: Cross multiply
   2,442.87x = 3,372.72 × 1,605.06
4. Step 4: Simplify right side
   2,442.87x = 5,413,417.96
5. Step 5: Solve for x
   x = 5,413,417.96/2,442.87
6. Step 6: Final answer
   x = 2,216.01