Finding the Fourth Proportional to 2,663.16, 3,992.06 and 1,104.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663.16 : 3,992.06 = 1,104.02 : x
2. Step 2: Convert to fraction form
   2,663.16/3,992.06 = 1,104.02/x
3. Step 3: Cross multiply
   2,663.16x = 3,992.06 × 1,104.02
4. Step 4: Simplify right side
   2,663.16x = 4,407,288.60
5. Step 5: Solve for x
   x = 4,407,288.60/2,663.16
6. Step 6: Final answer
   x = 1,654.91