Finding the Fourth Proportional to 2,389.23, 3,296.70 and 1,549.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.23 : 3,296.70 = 1,549.71 : x
2. Step 2: Convert to fraction form
   2,389.23/3,296.70 = 1,549.71/x
3. Step 3: Cross multiply
   2,389.23x = 3,296.70 × 1,549.71
4. Step 4: Simplify right side
   2,389.23x = 5,108,928.96
5. Step 5: Solve for x
   x = 5,108,928.96/2,389.23
6. Step 6: Final answer
   x = 2,138.32