Finding the Fourth Proportional to 9,518.54, 14,279.18 and 2,945.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,518.54 : 14,279.18 = 2,945.30 : x
2. Step 2: Convert to fraction form
   9,518.54/14,279.18 = 2,945.30/x
3. Step 3: Cross multiply
   9,518.54x = 14,279.18 × 2,945.30
4. Step 4: Simplify right side
   9,518.54x = 42,056,468.85
5. Step 5: Solve for x
   x = 42,056,468.85/9,518.54
6. Step 6: Final answer
   x = 4,418.37