Finding the Fourth Proportional to 2,722.03, 3,756.71 and 1,543.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,722.03 : 3,756.71 = 1,543.31 : x
2. Step 2: Convert to fraction form
   2,722.03/3,756.71 = 1,543.31/x
3. Step 3: Cross multiply
   2,722.03x = 3,756.71 × 1,543.31
4. Step 4: Simplify right side
   2,722.03x = 5,797,781.36
5. Step 5: Solve for x
   x = 5,797,781.36/2,722.03
6. Step 6: Final answer
   x = 2,129.95