Finding the Fourth Proportional to 2,153.34, 3,230.82 and 1,179.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153.34 : 3,230.82 = 1,179.18 : x
2. Step 2: Convert to fraction form
   2,153.34/3,230.82 = 1,179.18/x
3. Step 3: Cross multiply
   2,153.34x = 3,230.82 × 1,179.18
4. Step 4: Simplify right side
   2,153.34x = 3,809,718.33
5. Step 5: Solve for x
   x = 3,809,718.33/2,153.34
6. Step 6: Final answer
   x = 1,769.21