Finding the Fourth Proportional to 1,100.86, 1,651.29 and 443.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.86 : 1,651.29 = 443.04 : x
2. Step 2: Convert to fraction form
   1,100.86/1,651.29 = 443.04/x
3. Step 3: Cross multiply
   1,100.86x = 1,651.29 × 443.04
4. Step 4: Simplify right side
   1,100.86x = 731,587.52
5. Step 5: Solve for x
   x = 731,587.52/1,100.86
6. Step 6: Final answer
   x = 664.56