Finding the Fourth Proportional to 2,549.57, 3,518.18 and 1,430.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549.57 : 3,518.18 = 1,430.34 : x
2. Step 2: Convert to fraction form
   2,549.57/3,518.18 = 1,430.34/x
3. Step 3: Cross multiply
   2,549.57x = 3,518.18 × 1,430.34
4. Step 4: Simplify right side
   2,549.57x = 5,032,186.43
5. Step 5: Solve for x
   x = 5,032,186.43/2,549.57
6. Step 6: Final answer
   x = 1,973.74