Finding the Fourth Proportional to 2,406.96, 3,609.32 and 1,020

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.96 : 3,609.32 = 1,020 : x
2. Step 2: Convert to fraction form
   2,406.96/3,609.32 = 1,020/x
3. Step 3: Cross multiply
   2,406.96x = 3,609.32 × 1,020
4. Step 4: Simplify right side
   2,406.96x = 3,681,506.40
5. Step 5: Solve for x
   x = 3,681,506.40/2,406.96
6. Step 6: Final answer
   x = 1,529.53