Finding the Fourth Proportional to 1,095.67, 1,644.37 and 575.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095.67 : 1,644.37 = 575.97 : x
2. Step 2: Convert to fraction form
   1,095.67/1,644.37 = 575.97/x
3. Step 3: Cross multiply
   1,095.67x = 1,644.37 × 575.97
4. Step 4: Simplify right side
   1,095.67x = 947,111.86
5. Step 5: Solve for x
   x = 947,111.86/1,095.67
6. Step 6: Final answer
   x = 864.42