Finding the Fourth Proportional to 2,442.96, 3,370.96 and 1,380.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,442.96 : 3,370.96 = 1,380.72 : x
2. Step 2: Convert to fraction form
   2,442.96/3,370.96 = 1,380.72/x
3. Step 3: Cross multiply
   2,442.96x = 3,370.96 × 1,380.72
4. Step 4: Simplify right side
   2,442.96x = 4,654,351.89
5. Step 5: Solve for x
   x = 4,654,351.89/2,442.96
6. Step 6: Final answer
   x = 1,905.21