Finding the Fourth Proportional to 2,549.84, 3,518.51 and 1,430.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549.84 : 3,518.51 = 1,430.69 : x
2. Step 2: Convert to fraction form
   2,549.84/3,518.51 = 1,430.69/x
3. Step 3: Cross multiply
   2,549.84x = 3,518.51 × 1,430.69
4. Step 4: Simplify right side
   2,549.84x = 5,033,872.33
5. Step 5: Solve for x
   x = 5,033,872.33/2,549.84
6. Step 6: Final answer
   x = 1,974.20