Finding the Fourth Proportional to 9,519.72, 14,281.56 and 3,279.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,519.72 : 14,281.56 = 3,279.48 : x
2. Step 2: Convert to fraction form
   9,519.72/14,281.56 = 3,279.48/x
3. Step 3: Cross multiply
   9,519.72x = 14,281.56 × 3,279.48
4. Step 4: Simplify right side
   9,519.72x = 46,836,090.39
5. Step 5: Solve for x
   x = 46,836,090.39/9,519.72
6. Step 6: Final answer
   x = 4,919.90