Finding the Fourth Proportional to 1,100.21, 1,650.52 and 483.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.21 : 1,650.52 = 483.91 : x
2. Step 2: Convert to fraction form
   1,100.21/1,650.52 = 483.91/x
3. Step 3: Cross multiply
   1,100.21x = 1,650.52 × 483.91
4. Step 4: Simplify right side
   1,100.21x = 798,700.22
5. Step 5: Solve for x
   x = 798,700.22/1,100.21
6. Step 6: Final answer
   x = 725.96