Finding the Fourth Proportional to 3,389.96, 5,085.47 and 1,049.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,389.96 : 5,085.47 = 1,049.42 : x
2. Step 2: Convert to fraction form
   3,389.96/5,085.47 = 1,049.42/x
3. Step 3: Cross multiply
   3,389.96x = 5,085.47 × 1,049.42
4. Step 4: Simplify right side
   3,389.96x = 5,336,763.25
5. Step 5: Solve for x
   x = 5,336,763.25/3,389.96
6. Step 6: Final answer
   x = 1,574.29