Finding the Fourth Proportional to 2,179.81, 3,269.69 and 536.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.81 : 3,269.69 = 536.34 : x
2. Step 2: Convert to fraction form
   2,179.81/3,269.69 = 536.34/x
3. Step 3: Cross multiply
   2,179.81x = 3,269.69 × 536.34
4. Step 4: Simplify right side
   2,179.81x = 1,753,665.53
5. Step 5: Solve for x
   x = 1,753,665.53/2,179.81
6. Step 6: Final answer
   x = 804.50