Finding the Fourth Proportional to 3,424.01, 5,136.78 and 1,084.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,424.01 : 5,136.78 = 1,084.15 : x
2. Step 2: Convert to fraction form
   3,424.01/5,136.78 = 1,084.15/x
3. Step 3: Cross multiply
   3,424.01x = 5,136.78 × 1,084.15
4. Step 4: Simplify right side
   3,424.01x = 5,569,052.88
5. Step 5: Solve for x
   x = 5,569,052.88/3,424.01
6. Step 6: Final answer
   x = 1,626.47