Finding the Fourth Proportional to 9,519.75, 14,280.16 and 2,945.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,519.75 : 14,280.16 = 2,945.43 : x
2. Step 2: Convert to fraction form
   9,519.75/14,280.16 = 2,945.43/x
3. Step 3: Cross multiply
   9,519.75x = 14,280.16 × 2,945.43
4. Step 4: Simplify right side
   9,519.75x = 42,061,153.73
5. Step 5: Solve for x
   x = 42,061,153.73/9,519.75
6. Step 6: Final answer
   x = 4,418.30