Finding the Fourth Proportional to 2,508.09, 3,461.04 and 1,389.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,508.09 : 3,461.04 = 1,389.06 : x
2. Step 2: Convert to fraction form
   2,508.09/3,461.04 = 1,389.06/x
3. Step 3: Cross multiply
   2,508.09x = 3,461.04 × 1,389.06
4. Step 4: Simplify right side
   2,508.09x = 4,807,592.22
5. Step 5: Solve for x
   x = 4,807,592.22/2,508.09
6. Step 6: Final answer
   x = 1,916.83