Finding the Fourth Proportional to 2,549.83, 3,518.71 and 1,430.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549.83 : 3,518.71 = 1,430.77 : x
2. Step 2: Convert to fraction form
   2,549.83/3,518.71 = 1,430.77/x
3. Step 3: Cross multiply
   2,549.83x = 3,518.71 × 1,430.77
4. Step 4: Simplify right side
   2,549.83x = 5,034,464.71
5. Step 5: Solve for x
   x = 5,034,464.71/2,549.83
6. Step 6: Final answer
   x = 1,974.43