Finding the Fourth Proportional to 2,549.48, 3,518.10 and 1,430.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549.48 : 3,518.10 = 1,430.60 : x
2. Step 2: Convert to fraction form
   2,549.48/3,518.10 = 1,430.60/x
3. Step 3: Cross multiply
   2,549.48x = 3,518.10 × 1,430.60
4. Step 4: Simplify right side
   2,549.48x = 5,032,976.27
5. Step 5: Solve for x
   x = 5,032,976.27/2,549.48
6. Step 6: Final answer
   x = 1,974.12