Finding the Fourth Proportional to 1,100.52, 1,649.86 and 441.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.52 : 1,649.86 = 441.99 : x
2. Step 2: Convert to fraction form
   1,100.52/1,649.86 = 441.99/x
3. Step 3: Cross multiply
   1,100.52x = 1,649.86 × 441.99
4. Step 4: Simplify right side
   1,100.52x = 729,220.52
5. Step 5: Solve for x
   x = 729,220.52/1,100.52
6. Step 6: Final answer
   x = 662.61