Finding the Fourth Proportional to 3,389.48, 5,084.72 and 1,049.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,389.48 : 5,084.72 = 1,049.69 : x
2. Step 2: Convert to fraction form
   3,389.48/5,084.72 = 1,049.69/x
3. Step 3: Cross multiply
   3,389.48x = 5,084.72 × 1,049.69
4. Step 4: Simplify right side
   3,389.48x = 5,337,349.06
5. Step 5: Solve for x
   x = 5,337,349.06/3,389.48
6. Step 6: Final answer
   x = 1,574.68