Finding the Fourth Proportional to 1,659.39, 2,289.69 and 996.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659.39 : 2,289.69 = 996.12 : x
2. Step 2: Convert to fraction form
   1,659.39/2,289.69 = 996.12/x
3. Step 3: Cross multiply
   1,659.39x = 2,289.69 × 996.12
4. Step 4: Simplify right side
   1,659.39x = 2,280,806.00
5. Step 5: Solve for x
   x = 2,280,806.00/1,659.39
6. Step 6: Final answer
   x = 1,374.48