Finding the Fourth Proportional to 3,389.61, 5,084.55 and 1,049.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,389.61 : 5,084.55 = 1,049.86 : x
2. Step 2: Convert to fraction form
   3,389.61/5,084.55 = 1,049.86/x
3. Step 3: Cross multiply
   3,389.61x = 5,084.55 × 1,049.86
4. Step 4: Simplify right side
   3,389.61x = 5,338,034.99
5. Step 5: Solve for x
   x = 5,338,034.99/3,389.61
6. Step 6: Final answer
   x = 1,574.82