Finding the Fourth Proportional to 1,095.01, 1,643.25 and 445.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095.01 : 1,643.25 = 445.86 : x
2. Step 2: Convert to fraction form
   1,095.01/1,643.25 = 445.86/x
3. Step 3: Cross multiply
   1,095.01x = 1,643.25 × 445.86
4. Step 4: Simplify right side
   1,095.01x = 732,649.00
5. Step 5: Solve for x
   x = 732,649.00/1,095.01
6. Step 6: Final answer
   x = 669.08