Finding the Fourth Proportional to 4,016.62, 5,990.18 and 3,435.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,016.62 : 5,990.18 = 3,435.31 : x
2. Step 2: Convert to fraction form
   4,016.62/5,990.18 = 3,435.31/x
3. Step 3: Cross multiply
   4,016.62x = 5,990.18 × 3,435.31
4. Step 4: Simplify right side
   4,016.62x = 20,578,125.26
5. Step 5: Solve for x
   x = 20,578,125.26/4,016.62
6. Step 6: Final answer
   x = 5,123.24