Finding the Fourth Proportional to 2,549.89, 3,518.76 and 1,430.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549.89 : 3,518.76 = 1,430.83 : x
2. Step 2: Convert to fraction form
   2,549.89/3,518.76 = 1,430.83/x
3. Step 3: Cross multiply
   2,549.89x = 3,518.76 × 1,430.83
4. Step 4: Simplify right side
   2,549.89x = 5,034,747.37
5. Step 5: Solve for x
   x = 5,034,747.37/2,549.89
6. Step 6: Final answer
   x = 1,974.50