Finding the Fourth Proportional to 1,454.50, 2,182.71 and 685.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,454.50 : 2,182.71 = 685.06 : x
2. Step 2: Convert to fraction form
   1,454.50/2,182.71 = 685.06/x
3. Step 3: Cross multiply
   1,454.50x = 2,182.71 × 685.06
4. Step 4: Simplify right side
   1,454.50x = 1,495,287.31
5. Step 5: Solve for x
   x = 1,495,287.31/1,454.50
6. Step 6: Final answer
   x = 1,028.04