Finding the Fourth Proportional to 2,179.33, 3,269.57 and 946.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.33 : 3,269.57 = 946.98 : x
2. Step 2: Convert to fraction form
   2,179.33/3,269.57 = 946.98/x
3. Step 3: Cross multiply
   2,179.33x = 3,269.57 × 946.98
4. Step 4: Simplify right side
   2,179.33x = 3,096,217.40
5. Step 5: Solve for x
   x = 3,096,217.40/2,179.33
6. Step 6: Final answer
   x = 1,420.72