Finding the Fourth Proportional to 1,095.83, 1,644.05 and 609.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095.83 : 1,644.05 = 609.22 : x
2. Step 2: Convert to fraction form
   1,095.83/1,644.05 = 609.22/x
3. Step 3: Cross multiply
   1,095.83x = 1,644.05 × 609.22
4. Step 4: Simplify right side
   1,095.83x = 1,001,588.29
5. Step 5: Solve for x
   x = 1,001,588.29/1,095.83
6. Step 6: Final answer
   x = 914.00