Finding the Fourth Proportional to 1,062.47, 1,466.88 and 684.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.47 : 1,466.88 = 684.53 : x
2. Step 2: Convert to fraction form
   1,062.47/1,466.88 = 684.53/x
3. Step 3: Cross multiply
   1,062.47x = 1,466.88 × 684.53
4. Step 4: Simplify right side
   1,062.47x = 1,004,116.03
5. Step 5: Solve for x
   x = 1,004,116.03/1,062.47
6. Step 6: Final answer
   x = 945.08