Finding the Fourth Proportional to 1,176.32, 1,622.72 and 727.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,176.32 : 1,622.72 = 727.84 : x
2. Step 2: Convert to fraction form
   1,176.32/1,622.72 = 727.84/x
3. Step 3: Cross multiply
   1,176.32x = 1,622.72 × 727.84
4. Step 4: Simplify right side
   1,176.32x = 1,181,080.52
5. Step 5: Solve for x
   x = 1,181,080.52/1,176.32
6. Step 6: Final answer
   x = 1,004.05