Finding the Fourth Proportional to 2,550.05, 3,518.81 and 1,430.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.05 : 3,518.81 = 1,430.73 : x
2. Step 2: Convert to fraction form
   2,550.05/3,518.81 = 1,430.73/x
3. Step 3: Cross multiply
   2,550.05x = 3,518.81 × 1,430.73
4. Step 4: Simplify right side
   2,550.05x = 5,034,459.88
5. Step 5: Solve for x
   x = 5,034,459.88/2,550.05
6. Step 6: Final answer
   x = 1,974.26