Finding the Fourth Proportional to 3,929.09, 5,419.05 and 2,436.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,929.09 : 5,419.05 = 2,436.17 : x
2. Step 2: Convert to fraction form
   3,929.09/5,419.05 = 2,436.17/x
3. Step 3: Cross multiply
   3,929.09x = 5,419.05 × 2,436.17
4. Step 4: Simplify right side
   3,929.09x = 13,201,699.94
5. Step 5: Solve for x
   x = 13,201,699.94/3,929.09
6. Step 6: Final answer
   x = 3,359.99