Finding the Fourth Proportional to 2,109.83, 3,164.74 and 549.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.83 : 3,164.74 = 549.83 : x
2. Step 2: Convert to fraction form
   2,109.83/3,164.74 = 549.83/x
3. Step 3: Cross multiply
   2,109.83x = 3,164.74 × 549.83
4. Step 4: Simplify right side
   2,109.83x = 1,740,053.86
5. Step 5: Solve for x
   x = 1,740,053.86/2,109.83
6. Step 6: Final answer
   x = 824.74