Finding the Fourth Proportional to 2,483.72, 3,724.14 and 1,021.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,483.72 : 3,724.14 = 1,021.22 : x
2. Step 2: Convert to fraction form
   2,483.72/3,724.14 = 1,021.22/x
3. Step 3: Cross multiply
   2,483.72x = 3,724.14 × 1,021.22
4. Step 4: Simplify right side
   2,483.72x = 3,803,166.25
5. Step 5: Solve for x
   x = 3,803,166.25/2,483.72
6. Step 6: Final answer
   x = 1,531.24