Finding the Fourth Proportional to 2,722.80, 3,756.69 and 1,543.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,722.80 : 3,756.69 = 1,543.83 : x
2. Step 2: Convert to fraction form
   2,722.80/3,756.69 = 1,543.83/x
3. Step 3: Cross multiply
   2,722.80x = 3,756.69 × 1,543.83
4. Step 4: Simplify right side
   2,722.80x = 5,799,690.72
5. Step 5: Solve for x
   x = 5,799,690.72/2,722.80
6. Step 6: Final answer
   x = 2,130.05