Finding the Fourth Proportional to 1,182.65, 1,782.83 and 1,103.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.65 : 1,782.83 = 1,103.36 : x
2. Step 2: Convert to fraction form
   1,182.65/1,782.83 = 1,103.36/x
3. Step 3: Cross multiply
   1,182.65x = 1,782.83 × 1,103.36
4. Step 4: Simplify right side
   1,182.65x = 1,967,103.31
5. Step 5: Solve for x
   x = 1,967,103.31/1,182.65
6. Step 6: Final answer
   x = 1,663.30