Finding the Fourth Proportional to 12,282.03, 18,419.93 and 3,514.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,282.03 : 18,419.93 = 3,514.59 : x
2. Step 2: Convert to fraction form
   12,282.03/18,419.93 = 3,514.59/x
3. Step 3: Cross multiply
   12,282.03x = 18,419.93 × 3,514.59
4. Step 4: Simplify right side
   12,282.03x = 64,738,484.21
5. Step 5: Solve for x
   x = 64,738,484.21/12,282.03
6. Step 6: Final answer
   x = 5,270.99