Finding the Fourth Proportional to 1,659.91, 2,290.61 and 996.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659.91 : 2,290.61 = 996.37 : x
2. Step 2: Convert to fraction form
   1,659.91/2,290.61 = 996.37/x
3. Step 3: Cross multiply
   1,659.91x = 2,290.61 × 996.37
4. Step 4: Simplify right side
   1,659.91x = 2,282,291.85
5. Step 5: Solve for x
   x = 2,282,291.85/1,659.91
6. Step 6: Final answer
   x = 1,374.95