Finding the Fourth Proportional to 12,281.46, 18,419.58 and 3,514.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,281.46 : 18,419.58 = 3,514.02 : x
2. Step 2: Convert to fraction form
   12,281.46/18,419.58 = 3,514.02/x
3. Step 3: Cross multiply
   12,281.46x = 18,419.58 × 3,514.02
4. Step 4: Simplify right side
   12,281.46x = 64,726,772.51
5. Step 5: Solve for x
   x = 64,726,772.51/12,281.46
6. Step 6: Final answer
   x = 5,270.28