Finding the Fourth Proportional to 1,662.83, 2,494.80 and 1,109.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.83 : 2,494.80 = 1,109.75 : x
2. Step 2: Convert to fraction form
   1,662.83/2,494.80 = 1,109.75/x
3. Step 3: Cross multiply
   1,662.83x = 2,494.80 × 1,109.75
4. Step 4: Simplify right side
   1,662.83x = 2,768,605.86
5. Step 5: Solve for x
   x = 2,768,605.86/1,662.83
6. Step 6: Final answer
   x = 1,665.00