Finding the Fourth Proportional to 2,164.23, 3,247.83 and 1,179.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164.23 : 3,247.83 = 1,179.09 : x
2. Step 2: Convert to fraction form
   2,164.23/3,247.83 = 1,179.09/x
3. Step 3: Cross multiply
   2,164.23x = 3,247.83 × 1,179.09
4. Step 4: Simplify right side
   2,164.23x = 3,829,483.87
5. Step 5: Solve for x
   x = 3,829,483.87/2,164.23
6. Step 6: Final answer
   x = 1,769.44