Finding the Fourth Proportional to 2,549.18, 3,517.62 and 1,430.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549.18 : 3,517.62 = 1,430.30 : x
2. Step 2: Convert to fraction form
   2,549.18/3,517.62 = 1,430.30/x
3. Step 3: Cross multiply
   2,549.18x = 3,517.62 × 1,430.30
4. Step 4: Simplify right side
   2,549.18x = 5,031,251.89
5. Step 5: Solve for x
   x = 5,031,251.89/2,549.18
6. Step 6: Final answer
   x = 1,973.67