Finding the Fourth Proportional to 1,084.52, 1,622.69 and 646.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.52 : 1,622.69 = 646.01 : x
2. Step 2: Convert to fraction form
   1,084.52/1,622.69 = 646.01/x
3. Step 3: Cross multiply
   1,084.52x = 1,622.69 × 646.01
4. Step 4: Simplify right side
   1,084.52x = 1,048,262.62
5. Step 5: Solve for x
   x = 1,048,262.62/1,084.52
6. Step 6: Final answer
   x = 966.57