Finding the Fourth Proportional to 2,722.01, 3,756.63 and 1,543.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,722.01 : 3,756.63 = 1,543.15 : x
2. Step 2: Convert to fraction form
   2,722.01/3,756.63 = 1,543.15/x
3. Step 3: Cross multiply
   2,722.01x = 3,756.63 × 1,543.15
4. Step 4: Simplify right side
   2,722.01x = 5,797,045.39
5. Step 5: Solve for x
   x = 5,797,045.39/2,722.01
6. Step 6: Final answer
   x = 2,129.70