Finding the Fourth Proportional to 1,665.50, 2,496.84 and 1,116

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.50 : 2,496.84 = 1,116 : x
2. Step 2: Convert to fraction form
   1,665.50/2,496.84 = 1,116/x
3. Step 3: Cross multiply
   1,665.50x = 2,496.84 × 1,116
4. Step 4: Simplify right side
   1,665.50x = 2,786,473.44
5. Step 5: Solve for x
   x = 2,786,473.44/1,665.50
6. Step 6: Final answer
   x = 1,673.06