Finding the Fourth Proportional to 1,659.62, 2,289.76 and 996.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659.62 : 2,289.76 = 996.24 : x
2. Step 2: Convert to fraction form
   1,659.62/2,289.76 = 996.24/x
3. Step 3: Cross multiply
   1,659.62x = 2,289.76 × 996.24
4. Step 4: Simplify right side
   1,659.62x = 2,281,150.50
5. Step 5: Solve for x
   x = 2,281,150.50/1,659.62
6. Step 6: Final answer
   x = 1,374.50