Finding the Fourth Proportional to 2,439.89, 3,367.58 and 1,543.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,439.89 : 3,367.58 = 1,543.06 : x
2. Step 2: Convert to fraction form
   2,439.89/3,367.58 = 1,543.06/x
3. Step 3: Cross multiply
   2,439.89x = 3,367.58 × 1,543.06
4. Step 4: Simplify right side
   2,439.89x = 5,196,370.28
5. Step 5: Solve for x
   x = 5,196,370.28/2,439.89
6. Step 6: Final answer
   x = 2,129.76