Finding the Fourth Proportional to 2,546.63, 3,819.90 and 697.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,546.63 : 3,819.90 = 697.74 : x
2. Step 2: Convert to fraction form
   2,546.63/3,819.90 = 697.74/x
3. Step 3: Cross multiply
   2,546.63x = 3,819.90 × 697.74
4. Step 4: Simplify right side
   2,546.63x = 2,665,297.03
5. Step 5: Solve for x
   x = 2,665,297.03/2,546.63
6. Step 6: Final answer
   x = 1,046.60