Finding the Fourth Proportional to 1,606.02, 2,409.57 and 681.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,606.02 : 2,409.57 = 681.18 : x
2. Step 2: Convert to fraction form
   1,606.02/2,409.57 = 681.18/x
3. Step 3: Cross multiply
   1,606.02x = 2,409.57 × 681.18
4. Step 4: Simplify right side
   1,606.02x = 1,641,350.89
5. Step 5: Solve for x
   x = 1,641,350.89/1,606.02
6. Step 6: Final answer
   x = 1,022.00