Finding the Fourth Proportional to 2,371.23, 3,549.56 and 2,021.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,371.23 : 3,549.56 = 2,021.31 : x
2. Step 2: Convert to fraction form
   2,371.23/3,549.56 = 2,021.31/x
3. Step 3: Cross multiply
   2,371.23x = 3,549.56 × 2,021.31
4. Step 4: Simplify right side
   2,371.23x = 7,174,751.02
5. Step 5: Solve for x
   x = 7,174,751.02/2,371.23
6. Step 6: Final answer
   x = 3,025.75