Finding the Fourth Proportional to 3,389.49, 5,076.83 and 1,409.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,389.49 : 5,076.83 = 1,409.12 : x
2. Step 2: Convert to fraction form
   3,389.49/5,076.83 = 1,409.12/x
3. Step 3: Cross multiply
   3,389.49x = 5,076.83 × 1,409.12
4. Step 4: Simplify right side
   3,389.49x = 7,153,837.31
5. Step 5: Solve for x
   x = 7,153,837.31/3,389.49
6. Step 6: Final answer
   x = 2,110.59