Finding the Fourth Proportional to 2,722.86, 3,757.23 and 1,543.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,722.86 : 3,757.23 = 1,543.50 : x
2. Step 2: Convert to fraction form
   2,722.86/3,757.23 = 1,543.50/x
3. Step 3: Cross multiply
   2,722.86x = 3,757.23 × 1,543.50
4. Step 4: Simplify right side
   2,722.86x = 5,799,284.51
5. Step 5: Solve for x
   x = 5,799,284.51/2,722.86
6. Step 6: Final answer
   x = 2,129.85