Finding the Fourth Proportional to 2,543.87, 3,814.83 and 1,021.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.87 : 3,814.83 = 1,021.97 : x
2. Step 2: Convert to fraction form
   2,543.87/3,814.83 = 1,021.97/x
3. Step 3: Cross multiply
   2,543.87x = 3,814.83 × 1,021.97
4. Step 4: Simplify right side
   2,543.87x = 3,898,629.89
5. Step 5: Solve for x
   x = 3,898,629.89/2,543.87
6. Step 6: Final answer
   x = 1,532.56