Finding the Fourth Proportional to 9,518.72, 14,280.90 and 2,945.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,518.72 : 14,280.90 = 2,945.38 : x
2. Step 2: Convert to fraction form
   9,518.72/14,280.90 = 2,945.38/x
3. Step 3: Cross multiply
   9,518.72x = 14,280.90 × 2,945.38
4. Step 4: Simplify right side
   9,518.72x = 42,062,677.24
5. Step 5: Solve for x
   x = 42,062,677.24/9,518.72
6. Step 6: Final answer
   x = 4,418.94