Finding the Fourth Proportional to 1,661.34, 2,490.38 and 796.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,661.34 : 2,490.38 = 796.26 : x
2. Step 2: Convert to fraction form
   1,661.34/2,490.38 = 796.26/x
3. Step 3: Cross multiply
   1,661.34x = 2,490.38 × 796.26
4. Step 4: Simplify right side
   1,661.34x = 1,982,989.98
5. Step 5: Solve for x
   x = 1,982,989.98/1,661.34
6. Step 6: Final answer
   x = 1,193.61