Finding the Fourth Proportional to 2,406.86, 3,610.31 and 1,020.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.86 : 3,610.31 = 1,020.02 : x
2. Step 2: Convert to fraction form
   2,406.86/3,610.31 = 1,020.02/x
3. Step 3: Cross multiply
   2,406.86x = 3,610.31 × 1,020.02
4. Step 4: Simplify right side
   2,406.86x = 3,682,565.25
5. Step 5: Solve for x
   x = 3,682,565.25/2,406.86
6. Step 6: Final answer
   x = 1,530.03