Finding the Fourth Proportional to 3,555.43, 5,322.62 and 2,635.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,555.43 : 5,322.62 = 2,635.12 : x
2. Step 2: Convert to fraction form
   3,555.43/5,322.62 = 2,635.12/x
3. Step 3: Cross multiply
   3,555.43x = 5,322.62 × 2,635.12
4. Step 4: Simplify right side
   3,555.43x = 14,025,735.89
5. Step 5: Solve for x
   x = 14,025,735.89/3,555.43
6. Step 6: Final answer
   x = 3,944.88