Finding the Fourth Proportional to 2,179.32, 3,270.32 and 946.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.32 : 3,270.32 = 946.74 : x
2. Step 2: Convert to fraction form
   2,179.32/3,270.32 = 946.74/x
3. Step 3: Cross multiply
   2,179.32x = 3,270.32 × 946.74
4. Step 4: Simplify right side
   2,179.32x = 3,096,142.76
5. Step 5: Solve for x
   x = 3,096,142.76/2,179.32
6. Step 6: Final answer
   x = 1,420.69