Finding the Fourth Proportional to 2,297.76, 3,442.54 and 1,321.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,297.76 : 3,442.54 = 1,321.82 : x
2. Step 2: Convert to fraction form
   2,297.76/3,442.54 = 1,321.82/x
3. Step 3: Cross multiply
   2,297.76x = 3,442.54 × 1,321.82
4. Step 4: Simplify right side
   2,297.76x = 4,550,401.01
5. Step 5: Solve for x
   x = 4,550,401.01/2,297.76
6. Step 6: Final answer
   x = 1,980.36