Finding the Fourth Proportional to 2,481.55, 3,720.91 and 1,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,481.55 : 3,720.91 = 1,019.50 : x
2. Step 2: Convert to fraction form
   2,481.55/3,720.91 = 1,019.50/x
3. Step 3: Cross multiply
   2,481.55x = 3,720.91 × 1,019.50
4. Step 4: Simplify right side
   2,481.55x = 3,793,465.20
5. Step 5: Solve for x
   x = 3,793,465.20/2,481.55
6. Step 6: Final answer
   x = 1,528.67