Finding the Fourth Proportional to 2,179.68, 3,266.82 and 946.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.68 : 3,266.82 = 946.32 : x
2. Step 2: Convert to fraction form
   2,179.68/3,266.82 = 946.32/x
3. Step 3: Cross multiply
   2,179.68x = 3,266.82 × 946.32
4. Step 4: Simplify right side
   2,179.68x = 3,091,457.10
5. Step 5: Solve for x
   x = 3,091,457.10/2,179.68
6. Step 6: Final answer
   x = 1,418.31