Finding the Fourth Proportional to 3,451.83, 5,176.57 and 1,111.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,451.83 : 5,176.57 = 1,111.27 : x
2. Step 2: Convert to fraction form
   3,451.83/5,176.57 = 1,111.27/x
3. Step 3: Cross multiply
   3,451.83x = 5,176.57 × 1,111.27
4. Step 4: Simplify right side
   3,451.83x = 5,752,566.94
5. Step 5: Solve for x
   x = 5,752,566.94/3,451.83
6. Step 6: Final answer
   x = 1,666.53