Finding the Fourth Proportional to 2,407.76, 3,610.56 and 1,022.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407.76 : 3,610.56 = 1,022.16 : x
2. Step 2: Convert to fraction form
   2,407.76/3,610.56 = 1,022.16/x
3. Step 3: Cross multiply
   2,407.76x = 3,610.56 × 1,022.16
4. Step 4: Simplify right side
   2,407.76x = 3,690,570.01
5. Step 5: Solve for x
   x = 3,690,570.01/2,407.76
6. Step 6: Final answer
   x = 1,532.78