Finding the Fourth Proportional to 2,505.99, 3,458.53 and 1,443.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.99 : 3,458.53 = 1,443.81 : x
2. Step 2: Convert to fraction form
   2,505.99/3,458.53 = 1,443.81/x
3. Step 3: Cross multiply
   2,505.99x = 3,458.53 × 1,443.81
4. Step 4: Simplify right side
   2,505.99x = 4,993,460.20
5. Step 5: Solve for x
   x = 4,993,460.20/2,505.99
6. Step 6: Final answer
   x = 1,992.61