Finding the Fourth Proportional to 3,872.39, 5,814.50 and 3,414.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,872.39 : 5,814.50 = 3,414.03 : x
2. Step 2: Convert to fraction form
   3,872.39/5,814.50 = 3,414.03/x
3. Step 3: Cross multiply
   3,872.39x = 5,814.50 × 3,414.03
4. Step 4: Simplify right side
   3,872.39x = 19,850,857.76
5. Step 5: Solve for x
   x = 19,850,857.76/3,872.39
6. Step 6: Final answer
   x = 5,126.26