Finding the Fourth Proportional to 2,665.13, 3,997.69 and 1,104.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.13 : 3,997.69 = 1,104.73 : x
2. Step 2: Convert to fraction form
   2,665.13/3,997.69 = 1,104.73/x
3. Step 3: Cross multiply
   2,665.13x = 3,997.69 × 1,104.73
4. Step 4: Simplify right side
   2,665.13x = 4,416,368.07
5. Step 5: Solve for x
   x = 4,416,368.07/2,665.13
6. Step 6: Final answer
   x = 1,657.09