Finding the Fourth Proportional to 2,420.88, 3,340.83 and 1,358.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,420.88 : 3,340.83 = 1,358.62 : x
2. Step 2: Convert to fraction form
   2,420.88/3,340.83 = 1,358.62/x
3. Step 3: Cross multiply
   2,420.88x = 3,340.83 × 1,358.62
4. Step 4: Simplify right side
   2,420.88x = 4,538,918.45
5. Step 5: Solve for x
   x = 4,538,918.45/2,420.88
6. Step 6: Final answer
   x = 1,874.90