Finding the Fourth Proportional to 2,178.04, 3,005.72 and 1,183.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178.04 : 3,005.72 = 1,183.32 : x
2. Step 2: Convert to fraction form
   2,178.04/3,005.72 = 1,183.32/x
3. Step 3: Cross multiply
   2,178.04x = 3,005.72 × 1,183.32
4. Step 4: Simplify right side
   2,178.04x = 3,556,728.59
5. Step 5: Solve for x
   x = 3,556,728.59/2,178.04
6. Step 6: Final answer
   x = 1,633.00